【题目】---Must I hand in my homework now?
---No,you__.You can hand it in tomorrow.
A. mustn’t B. can’t C. needn’t D. shouldn’t
【题目】The students exercise every day，and they try______themselves healthy.
A.keepB.keeping
C.keptD.to keep
【题目】In America when you’re given a present, you can open it . You don’t have to wait.
A. immediatelyB. properlyC. carefullyD. quietly
【题目】The children should be told _____ the traffic rules.
A.to breakB.breakC.not breakD.not to break
【题目】Mandy got up too late this morning so she went to school ________ breakfast.
A.withoutB.throughC.byD.for
【题目】—Where were you at 7：00 last night?
—I ________ to my mom at home.
A.wroteB.was writingC.am writingD.written
【题目】Don't let the news out. You should ________ it to yourself.
A.makeB.loseC.planD.keep
【题目】—I left my dictionary at home.Could I use yours?
—Yes, you ________.
A.canB.couldC.shouldD.must
【题目】-- May I go out now. Dad?
-- No. You __ let your mother know first.
A. can B. may C. need D. must
【题目】—Lily has a sore throat.
—I’m sorry to hear that. She go to see a doctor.
A.can’tB.mayC.shouldD.shouldn’t