—Mum, I’ve been studying English since 8 o’clock. ____ I go out and play with Tom for a while?
—No, I’m afraid not. Besides, it’s raining outside now.
A. Can’t B. Wouldn’t C. May not D. Won’t
—What does the sign over there read?
―“No person ______ smoke or carry a lighted cigarette，cigar or pipe in this area．”
A．will B．may C．shall D. must
— I heard they went skating in the mountains last winter.
— It _____ true because there was little snow there.
A. may not be B. won’t be C. couldn’t D. mustn’t be
I was really anxious about you. You _______ home without a word.
A. mustn’t leave B. shouldn’t have left C. couldn’t have left D. needn’t leave
—We weren’t sure which way to go. In the end we turned right.
—You _____ the wrong way. You _____ left.
A. went; should have turned
B. have gone; must turn
C. went; would have turned
D. had gone; must have turned
I lived with my sister this summer and didn’t have to pay rent. So I _____ save most of my salary.
A. could B. would C. was able to D. should
