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18、---- Good morning．How much should I pay for these books ________ to Alabama?

---- Hm，about ten dollars．

A．to be sent         B．being sent            C．sent            D．having been sent

17、----Hello．May I speak to Bill, please?

---- ________．

A．Bill speaking                                               B．I’m Bill

C．You are speaking to Bill                               D．I’m speaking

16、How long do you think _______ the computer company turns out a new product?

A．it will be that                                             B．will it be until

C．will it be since                                           D．it will be before

15、Can you imagine that rats eat 40 to 50 times _______．

A．by weight            B．their weight          C．in weight           D．of their weight

14、China’s new food law provides for a food recall system _______ producers have to stop production if their food isn’t up to standards．

A．where       B．that          C．when         D．which

13、My sister met him at the Grand Theatre yesterday afternoon, so he _______ your lecture．

A．couldn't attend                                 B．mustn’t have attended

C．shouldn't attend                                       D．couldn’t have attended

12、----Jack, can you make a sentence to ________ the meaning of the new phrase?

----Well…

A．show off       B．turn out        C．bring out        D．take in

11、---- Did you come to the museum by bike yesterday?

---- No．Two meters of snow fell during the night．As a result, several main roads _______．

A．would be blocked                                      B．had been blocked

C．has been blocked                                      D．were blocked

10、It was announced that only when the fire was under control ________ to return to their homes．

A．the residents would be permitted                 B．had the residents been permitted

C．would the residents be permitted                D．the residents had been permitted

9、---- What about Mr. Brown’s lecture?

---- I understood most of what he said, but not ________ word．

A．a(chǎn)ny       B．each        C．every        D．one