Tom, you _____ leave all your clothes on the floor like this!
A. wouldn’t B. mustn’t C. needn’t D. may not
To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
A. can B. would C. might D. should
There used to be a small school,___________?
A. was there B. wasn’t it C. usedn’t there D. usedn’t it
The two strangers talked as if they ____ friends for years.
A should be B would be C have been D had been
—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
