These problems are too hard to ________. Will you give me some advice?
A. look out B. work out C. hand out D. find out
If it ________ today, we’ll have to leave on Wednesday instead.
A. snows B. snowed C. will snow D. is snowing
I decided ________ at least once a week.
A. exercise B. exercised C. to exercise D. exercising
My little sister ________ at home. I need to be with her.
A. studies B. studied C. have studied D. is studying
I hope our school life will be more ________ than before.
A. tiring B. moving C. interesting D. surprising
Please don’t make so much noise. I ________ hear the speaker very well.
A. needn’t B. can’t C. shouldn’t D. mustn’t