21-___ novel that you gave me is very interesting.
22-___ he borrow the money yesterday?
23-I am not late, ___ I?
24-Have you ___ money on you?
25-When I arrived at the school, the bell ___
(C) had rung
26-If it rains, we ___ the game.
(A) should postpone
(B) shall postpone
(C) could postpone
(D) had postponed
27-She had a passion ___ dance.
28-My mother asked me ___ I had not finished the work.
29-He is as ___ as a bee.
30-He took revenge ___ his foes.
21-(D), 22-(A), 23-(D), 24-(B), 25-(A), 26-(A), 27-(C), 28-(A), 29-(C), 30-(A)