Помогите пожалуйста с заданиями.Вопрос: Open the brackets using the correct form

1
1) The teacher told the students to work hard.
2) She asked him whether Robert was coming the following day.
3) Ann said that they were thinking of going out.
4) She asked Nick when he was going to visit them.

2
1.1. Did they go to Germany last winter?
1.2. Where did they go last winter?
1.3. Did they go to Germany or France last winter?
1.4. They went to Germany last winter, didn't they?
1.5. Who went to Germany last winter?

2.1. Does he usually get up at two o'clock?
2.2. When does he usually get up?
2.3. Does he usually get up at two or three o'clock?
2.4. He usually gets up at two o'clock, doesn't he?
2.5. Who usually gets up at two o'clock?

3.1. Are we discussing a new book at the moment?
3.2. What are we discussing at the moment?
3.3. Are we discussing a new book or a new film at the moment?
3.4. We are discussing a new book at the moment, aren't we?
3.5. Who is discussing a new book at the moment?

4.1. Will (the) mother cook a cake tomorrow?
4.2. What will (the) mother do tomorrow?
4.3. Will (the) mother cook a cake or pancakes tomorrow?
4.4. (The) mother will cook a cake tomorrow, won't she?
4.5. Who will cook a cake tomorrow?

5.1. Have they known each other for a long time?
5.2. How long have they known each other?
5.3. Have they known each other for a long time or for two months?
5.4. They have known each other for a long time, haven't they?
5.5. Who has known his friend/each other for a long time?