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20、Don’t be _____by products promising to make you lose weight quickly．

A．taken off       B．taken out           C．taken away          D．taken in

19、The twins have _____in common _____the elder’s eyes are dark blue while the younger’s are black．

A．nothing; except                                  B．a(chǎn)nything ; but

C．everything; except that               D．something; except for

18、_____by a crowd of people, he felt nervous, ____what to say．

A．Watching; didn’t know                                    B．Having watched ; and not know

C．Having been watched; not know                D．Being watched; not knowing

17、---Why did you leave without a word of warning to John?

---But what ____otherwise? He never likes to listen to me．

A．could I have done                                B．must I have done

C．could I do                                          D．should I do

16、On AIDS Day, the minister of Health Department demanded that the problems ____ paid special attention to．

A．referred to being          B．referred to be         C．refer to being          D．refer to be

15、I hope I will not be called in class as I’m not yet ____ prepared．

A．a(chǎn)ttentively           B．readily           C．a(chǎn)ctively        D．a(chǎn)dequately

14、Once you understand the rules of the game, you’ll enjoy ____．

A．them            B．that           C．ones           D．it

13、Video on demand, or VOD, ____to be the first element of interactive television in the near future．

A．expects         B．is expecting          C．is expected          D．will be expected

12、Just like a voyage at sea, our life journey, ____days are limited, is full of difficulties．

A．which           B．that           C．its          D．whose

11、The output of the gold mine is four times _____it was a decade ago．

A．that        B．what          C．which            D．than