After the quarrel, I tried all my best to fix the misunderstanding between us, but all my efforts seemed ______.
The weather turned out to be fine yesterday. Ithe trouble to carry my umbrella with me. A should have taken B could have taken C needn’t have taken D mustn’t have taken
----David hasn’t come yet. ----I think he will soon, for he means what he says.
Michaelbe a policeman, for he is much too short. A. needn’t B. can’t C should D. may
The teacher apologized late.
----May I open the window to let in some fresh air? ---- A. come on! B Take care! C Go ahead! D Hold on