в какой форме надо вставить в пропуск: come or to come?

1. his parents work at a plant.( Where. Who)
2. My sister studies English at school.(what language)
3. he cleaned the blackboard after lesson.(when. who)
4. he went to work in the afternoon.(Where. disjunctive)
5. she will come back at 3 o clock. (when. alternative)

1By two o clock the teacher(to example) all the students.2On my way to schol I (remember) that I (leave) my report at home.3By the time we(come) to see him,he (return) home.4Where you(work) before you(go) to university?5He (know) French before he (visit) France.
В какие формы надо поставить слова в скобках?

3.Какая форма правельная;The British Minister Livers in the Downing Street/Downing Street

work, get, fly. Теперь предложения куда надо вставить слова: 1) Maria ......... of her MP3 player when she's at school. 2) Martha and Katie live far from their school, but they ........ on time for class every day. 3) You don't have to .............. part in the school performance if you don't want. 4) Ivan is an excellent student and always.....

1he--------------athletics

2што надо вставить for/just/since
2 she has studied French---------------------- five years