G．uest: I must be off now. I have an appointment at six.

H．ost: Well, in that case I won't keep you then. ______.

[单选题]---- Sorry, I have to ______ now. It’s time for class.---- OK, I’ll call back later.A． hang up B. break up C. give up D. hold up

[单选题]----I’ve got to go now.---Must you? I you could stay for dinner with us.A． think B. thoughtC. have thoughtD. am thinking

[单选题]—I’ve got to go now. —Must you? I______you could stay for dinner with us.A． think B. thoughtC． have thought D. am thinking

[单选题]---- Sorry, I have to ( )now. It’s time for class.---- OK, I’ll call back later.A． hang upB． break upC． give upD． hold up

[单选题]I have nothing to do, so I'm _____ now.A.fullB.busyC.freeD.fine

[单选题]—I cannot find Tom anywhere.—He ______have been off long. I heard him make

[单选题]My friend _____ me. I have to leave now.A． waits for B. waited for C. is waiting for D. was waiting for

[单选题]Marilyn, I'm afraid I have to be leaving now. ____________.A.That sounds wo

[单选题]You know, I have three kids now. ______.A.Oh, I've heard a lot about you.B.

[单选题]I must be going now.- _________A.So soon! I hope you've enjoyed it.B.Have a