There is only one long street in a small town. The houses aren't tall and the street isn't wide. But the people aren't happy in this town. There are no

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sentence. Identify and correct it.

She has to catching (A) the (B) next train or else she will (C) spend the night at the (D) platform.
Mitch did (A) his test so quick (B) that he must have known (C) all the answers (D) before.
Mary got used to speak (A) French fluently (B) after having spent a year (C) in Paris (D).
Many questions concerning their future expedition has (A) been raised (B) but not one has been (C) as heatedly discussed as this one (D).
We visited (A) yesterday (B) our grandmother to tell (C) her the sad news (D).
There were (A) eight childs (B) at my lesson today but your child (C) was not (D) among them.
The only students (A) whom the teacher (B) asked speaking (C) at the conference were (D) Sam, George, Jerry and I.
It's (A) quite an amused party (B) and now when it is time to leave (C), nobody wants (D) to go home.
The coffee that your brother is making (A) in the kitchen (B) is smelling (C) delicious (D).
People (A) usually wears (B) clothing for two different (C) reasons (D) - warmth and decoration.
Guppies are sometimes called (A) rainbow fishes (B) because of the males’ (C) bright colors (D).
Serving several terms (A) in Congress (B), Shirley Chisholm, became (C) the (D) important politician.
The policeman (A) told the passengers (B) in the bus to sit (C) quiet (D).
The tourists wanted to spend (A) the weekend in the (B) mountain hotel but was not able (C) to raise (D) enough money.

we got ... bread?

Yes.But we haven t got ... biscuits and there is only a little sugar and marmalade.

What about pasta?... have we got?

There is ... . But I think we have to buy pasta.There isn t enough.

... eggs are there in the fridge?

Only three eggs.Mum, can I have ... apple juice?

Of course.

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1) a cat under the tree.

a) Is there b) There are c) There is
2) any chairs in the room?

a) There are b) Are there c) Is there
3) some jam on the plate.

a) There is b) Is there c) There are
4) eggs in the salad?

a) Is there b) Are there c) There are
5) a policeman in the car?

a) There is b) Is there c) There are
6) any mice in your house?

a) Are there b) Is there c) There are
7) any water in the cup?

a) There is b) There are c) Is there
8) no children in the park.

a) Are there b) Is there c) There are
9) a goose in the field.

a) Is there b) There are c) There is
10) many geese in the field?

a) Is there b) There is c) Are there

11) no juice in the cup.

a) There are b) There is c) Is there
12) much milk in your cup?

a) Are there b) Is there c) There are
13) some sugar in my tea.

a) Is there b) There are c) There is
14) not much snow in the street.

a) Is there b) There is c) Are there
15) two or three pens on the table?

a) Are there b) Is there c) There are
16) no carpet in my room.

a) Is there b) There are c) There is
17) any bread on the plate?

a) Is there b) There are c) There is
18) apple juice in the cup.

a) There are b) There is c) Is there
19) a mouse under the table.

a) There are b) There is c) Is there
20) no sweets on the table.

a) Are there b) Is there c) There are

^ ТЕСТ 15. - Настоящее время Present Simple. Выбери правильный вариант ответа.

1) My sister well.

a) study b) studies с) studys

2) We lunch at school.

a) has b) does have c) have

3) Mother bread every day.

a) buyes b) buy c) buys

4) Tom and Bob to play chess.

a) like b) likes c) does like

5) Tom his homework in the evening.

a) do b) does c) dos

6) Men to play football.

a) likes b) lives c) like

7) Tom's friend go to school.

a) do b) doesn't c) don't

8) This woman my aunt.

a) does b) is c) are

9) My sister and I our mother.

a) helpes b) helps c) help

10) Kate's aunt a lot of letters.

a) writes b) does writes c) write

11) This child to play with the toys.

a) like b) has like c) likes

12) These children to play with the dog.

a) like b) has like c) likes

13) Tom TV in the evening.

a) watch b) watchs c) watches

14) John's cat often mice.

a) catchs b) catches c) catch

15) Some mice under the house.

a) live b) lives c) loves

16) Little children often .

a) cry b) cryes c) cries

17) My little sister often .

a) cry b) cryes c) cries

18) Mary often at the parties.

a) singes b) sings c) sing

19) Jane eat porridge.

a) isn't b) don't c) doesn't

20) My Granny drink coffee.

a) don't b) doesn't c) isn't

a market structure with only a single seller of a

commodity
or service dealing with a large number of buyers. When a

single
seller faces a single buyer, that situation is known as bilateral

monopoly.



The most
important features of market structure are those, which

influence
the nature of competition and price determination. The key

element in
this segment of market organization is the degree of seller

concentration,
or the number and size distributions of the sellers. There is

monopoly
when there is only one seller in an industry, and there is

competition
when there are many sellers in an industry. In cases of an

intermediate
number of sellers, that is, something between monopoly and

competition,
there can be two sellers (duopoly), a few sellers (oligopoly),

or many
sellers (atomistic competition).



Today the
term monopoly is usually extended to include any group

of firms,
which act together to fix prices or levels of production. Complete

control of
all output is not necessary to exercise monopoly power. Any

combination
of firms, which controls at least 80 percent of an industry's

production,
can dictate the prices of the remaining 20 percent.



Aside from private
monopolies, there are public monopolies. One

example of
a public monopoly in the United
States is the nonprofit postal service. There is also the «natural» monopoly,
which exists when it is more efficient, technically, to have a single seller.