A: I haven't sat down all day.
B: You _____be very tired.
A. could
B. have to
C. must
－－Must we finish our homework now? －－No, you ______. You _______ finish it after school.A.needn't , mayB.mustn't , mayC.can't , canD.needn't , must
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“Must I finish my homework now?” “No, you() . But you() finish it this evening. ”A. mustn’ t…mustB. needn’ t…mustC. can’ t…canD. can’ t…must
Where ________ you ________?A.are/beB.have/beC.is/beD.have/been
9． _______you _______ stay at home today?A． Do ; have toB． Must; have toC． Have; toD． Do ; must
—You've been busy, haven't you? —_______A.I was busy last week.B.Yes, I've been working hard on my paper.C.I will get busy with my English studies.D.I'd like to get busy like our teachers.
—_______ I return the book to the library this week?— No, you _______.You can keep it until the end of this month.A.Must; needn’tB.Can; can’tC.May; mustn’tD.Can; mustn’t
________ can be done ________ been done.A.All that...hasB.All that...haveC.All...hasD.All...have
