A.
1. Do you know where your friend lives now?
2. Can you tell me how to get to the Bolshoi Theater?
3. I heard how well he spoke English.
4. Do you know how often we will have English lessons?
5. Show me, please, how many books you have brought.
6. Can you tell me how long it will take me to read this book?
7. I don't know why they are not here yet.
8. Please, repeat what exercises we will have to do tomorrow.
9. I do not remember how many sentences we have to write. What should I do? I must call my friend.
10. Can you tell us which cities you have been to?
11. Do you know whose book it is?
12. I don't know who can help me to do this work.
13. I want to know with whom I'll be going there.
Б.
1. Do you know what he replied?
2. Do you know what she asked me for?
3. Do you know (that) he has't answered my letter?
4. Have you received the letter I sent you a week ago?
5. I hear that you are working on a new book now.
6. I finished what he had asked me to do.
7. Did you hear that my brother had got married?
8. Show us, please, what you have already done.
9. He did what I had advised him to do.
10. We heard that you had moved to a new apartment. Where is it?
11. I will do everything I can.
В.
1. Do you know when he will come back?
2. I will tell you about it when they return.
3. When I'm free, I'll go to the library.
4. Can you tell us when you will be free?
5. Can you tell us when we'll be able to read English books?
6. Call me, please, when you are free.
7. I don't know when I'll be able to come to you again, I'm very busy right now.
8. None of them knows when they will come back. 9. We will talk about this when you come to my place.
on March 6th.
in December; at 6.30; in the winter; on Monday; at night; in the afternoon; at the weekend; on Saturday evening; in 1984; at Christmas; on August 21st.
Объяснение:
перед днями недели пиши: on- on Monday
перед датой: on.
перед названием месяца: in - in March
перед сезоном: in - in autumn;
перед временем : at - at 6 o'clock. Перед годом -in.