20．－Do you have the time?

－Sorry, I have no watch.

－_____________.

　　　 A．What a shame.　　　　　　　　　　　　　　　　 B．Thanks anyway.　　

　　　 C．It doesn’t matter.　　　　　　　　　　　　　　 D．Why not buy one?

19．“___________ the election is over,” said Powell, “the time has come for me to step down as secretary of state and return to private life.”

　　　 A．Now that　　　　　 B．In case　　　　　　　 C．So long as　　　　 D．As far as

18．-Hi, Tina ,we’re going to Sam’s house to celebrate his graduation. Would you like to　　　 ?

-Great! Let’s go.

　　　 A．come up　　 B．come on　 C．come out　 D．come　 along

17．－It’s many years since I saw you last, I __________ you at all.

－I wouldn’t have, either, if someone __________ you by the name.

　　　 A．didn’t recognize; hadn’t called　　　　 B．didn’t recognize; didn’t call

　　　 C．haven’t recognized; didn’t call　　　　 D．can’t recognize; had called

16．When he looked up, he suddenly found himself　　　 　by a group of teenagers,

　　　 　looked at him anxiously.

　　　 A．to be surrounded; which　　　　　　　　　 B．surrounded; who

　　　 C．be surrounded; who　　　　　　　　　　　　 D．having been surrounded; which

15．I really don’t know _________ I had my money stolen.　　　

　　　 A．when was it that　　　　　　　　　　　　　　 B．that it was when

　　　 C．where it was that　　　　　　　　　　　　　 D．it was where that