Bob（）the bus, otherwise he would have arrived here by now.

[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]B．ob would have helped us yesterday ,but he .A．was busy busyB．is busyC．had been busyD．will be busy

If he___ to the teacher attentively，he ___the answer to the problem now．（ ）A. ha

[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

We should have heard from her by now.（ ）A. hasn't writtenB. doesn't writeC. won'

Mr.Jones has just arrived,but he talks as if he____ everything hereA. will knowB

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

[问答题]He’ s growing more like his father now.

[问答题]He’ s growing more like his father now.