Choose the right variant 

1. I (write) an English exercise now. A) write b) am writing c) was writing d) is writing

2. I (write)  an English exercise at this time yesterday. A) write b) am writing c) was writing d) is writing

3. She (write) an English exercise when I came. A) wrote b) am writing c) was writing d) is writing

4. I (play) computer games yesterday. A) play b) was playing c) played d) have played

5. I (play) computer games from 6 till 8. A) play b) was playing c) played d) have played

6. She ( clean) the room when I came home yesterday. A) cleaned b) had cleaned c) has cleaned d) will cleaned

7. She ( clean) the room by 3 o'clock tomorrow. A) will have cleaned b) had cleaned c) has cleaned d) will cleaned

8. I ( read) my book tomorrow. A) will read b) will have read c) will be reading d) read

9. I ( read) my book by 3 o' clock tomorrow. A) will read b) will have read c) will be reading d) read

10. I ( read) my book at 3 o'clock tomorrow.A) will read b) will have read c) will be reading d) read