Что нужно вставить?
1.i have a lot (of/-) homework every day. 2. not many ideas came (in/ to) my head. 3. (at/in) the lesson all the beginning (of/at) pupils stand up.
4. please, hand (to/in) your exercise-books.

1)of

2)to

3)at;of

4)to

1.I have a lot of homework every day. 2. Not many ideas came in my head. 3. at the lesson all the beginning of pupils stand up.
4. Please, hand in your exercise-books.