я не понимаю почему в предложении many guests have been invited to my birthday party today.Ответ when have many guests been invited to my birthday party ?

1. They have not lived here for very long. They ____, know many people.
a) could
b) should
c) must not
d) might
2. The phone rang but I did not hear it. I ___ have been asleep.
a) could
b) may
c) must
d) might
3. ____use the phone, please?
a) Must I
b) Have I to
c) May I
d) Am I to
4. You'll understand nothing unless you___ the book yourself.
a) read
b) won't read
c) don't read
d) 'll read
Спасибо огромное!

still being discussed.

3. A new road round Khabarovsk will be built soon.

4. All invitations will have been sent up by 5 o'clock.

5. Five workers were employed by them.

6. This experienced employee can be relied on.

7. The right job is being looked for by graduates now.

8. The better results would be achieved if you worked hard.

9. The resume must be written by him.

10. The invitation should be accepted by you.

11.All management functions cannot be performed properly by one person. 12.Official reports will have been discussed by the end of the next month.

13. All the jobs requiring skills are groupped together.

14. Each applicant will be asked by the manager tomorrow

My sister (to invite ) many friends to her birthday party yesterday. My sister (to invite ) to the birthday party by her friend yesterday. We (to open) the window after every lesson. This question not (to discuss) at the radio (to invent? Tchaikovsky (to use) folk songs in compositions. The letter (to send) yesterday?

недели, но мне пока это не удалось. Мало кто из моих друзей видел её.

2. Об этом факте давно знают, и его не стоит обсуждать.

3. Постучав дважды и не получив ответа, они решили, что дома никого нет.

4. Я не помню, когда в последний раз стригся.

5. Прежде чем он разрешил нам уйти, он заставил нас пообещать ничего никому не рассказывать.

6. Хотя я знаю Анну и Тома много лет , я никогда не понимала, почему они всё ещё вместе.

7. После того как ты сдашь все свои экзамены, будет много времени на футбол.

8. Полиция не собиралась арестовывать его, но затем она получила новые сведения. Они были не в его пользу.

9. Она поинтересовалась, знаю ли я, когда вернётся Марк, и добавила, что его уже целую неделю нет в городе.

10. Хозяйка наблюдала, как её гости упаковывали чемоданы, и видела, что им не хотелось уезжать.

времени сказуемого.
The young man was going to marry a beautiful girl. One day the girl said him that the next day she would celebrate her birthday and invited him to her birthday party. The young man was eager to make her a present, so he went to a gift shop. There he saw many beautiful things. Of all the things he particulary liked the vases.But they were very expensive, and as he had very little money he had to leave the shop without buying anything. Making for the door he suddenly heard a noise: one of the vases fell on the floor and broke to pieces. A brilliant idea came to his mind.