【正文】
__________ they stop playing tricks at Halloween? B: Perhaps, they __________ ________________________. __________________________ ____________. Might or Should might stop or should stop playing tricks playing tricks at Halloween at Halloween 1. ____ I go out to play, mum? No, you___. You should do your homework first. A. Might。 wouldn’t B. May。 had better not C. Must。 mustn’t D. Need。 mustn’t 2. Where is Emma? I can’t say for sure where she is, but she___ be out shopping. A. can B. should C. must D. may 3. The room is in a terrible mess。 it ____ cleaned. A. can’t have been B. couldn’t be C. may have been D. would be 4. How____ you say that you really understand the whole story if you have covered only part of the article? A. can B. must C. need D. may 5. There ____ be any difficulty about passing the road test since you have practised a lot in the driving school. A. mustn’t B. shan’t C. shouldn’t D. needn’t