10- (Be)................... he an engineer yesterday? No, he (be not).....................
11- (Be)................. It hot last week?
12- The windows (be).................... open last Monday.
13- (Be)................. you a teacher two years ago? Yes, I (be).................
14- Where (be).................... Nam from yesterday?
15- Why (be)............................ he unhappy last Tuesday?
16. I (remember)........................ your trip to Nha Trang two years ago.
17. Ba (wear)............................. the cap all day yesterday.
18. I (eat).......................... a lot of fish yesterday.
19. Her aunt (take)................................... her to see Cham Temple last year.