________,I must do another experiment.A.Be it ever so late B.It is ever so late C.It be ever so late D.So late it be ever

( )—Can you go out with me?—Sorry.I ________ do my homework.A.can B.may C.must D.has to They must do ________ duty and we must do ________.A.their … ours B.their … our C.theirs … ours --I must be off now, or it will be too late to see Tom. --________? Do you really want to see...--I must be off now, or it will be too late to see Tom.--________? Do you really want to see that dull boy? (Unit9-2)A. So what?B. For him?C. Why not?D. F (空） I do homework first?yes,you （空）.A.Must,must B.Can,must C.Must,can D.Must can (空）选什么 10.I'm afraid we must leave now.--- ________ .--- No,I'm afraid we really must.We have to meet our teacher at ten o'clock.A.Oh,please do B.Don't be afraid C.Yes,it's too late D.Must you?It's still early.选什么呀 ________,I must do another experiment.A.Be it ever so late B.It is ever so late C.It be ever so late D.So late it be ever He must do his homework now,________?(A) mustn't he(B) needn't he并说明理由 We must do _______ the Party ________ us.A.as,tell B.as,tells C.what,tells D.what,tell Were I to do it,I ________ it some other way.A.will do B.would do C.wou A:I prefer watching TV.B:So ________ I.A.have B.am C.do I think taking a boat to school must be a lot more fun than ________(take）a bus. We must protect our environment well.A.Yeb,I agree.B.I do I must get up early __c____ I have a lot of things to do. I’ve got a fever.What must I do?怎么回答 I think I _____ do my homework now.A have toB must 1.They must have been here the day before yesterday,________?A.mustn't theyB.wasn't theyC.mustn't have theyD.hadn't they2.----Why do you make me do so/--------I'm sorry that you______do such a thing.A.would B.canC.should D.may3.I ________often go fis If I ________ you,I would not do it.A.amB.wasC.have beenD.were —Do you like oranges?—________.I like bananas.A.Yes,I do B.No,I don't C.Yes,I don't D.No,I do