20、Soccer is the most truly international team sport, but there’s still some question _______ whether it should be called a game or open warfare.

A．due to          B．in addition to         C．as to         D．owing to

19、Everybody said it was an ideal marriage; no one had ever known ______ couple.

A．the happier          B．a happier         C．a happy        D．the happiest

18、－Mom’s gift? She _______ have chosen a better one for me.

－She must be very happy to know it.

A．should         B．might    C．couldn’t         D．mustn’t

17、_______ the problem of land erosion getting more serious, the government is searching for a way to deal with it.

A．As           B．With            C．When           D．Because

16、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

15、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

14、－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

13、—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

12、“___________ 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

11、－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?