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21、Van Gogh succeeded in selling only one painting in his lifetime, and ______ was sold to his brother.

A．a(chǎn)nother              B．that                C．one               D．which

20、Now we are faced with a shortage of electricity, which is found to be the ______ in many other cities of our country.

A．example             B．condition            C．matter             D．case

19、The United States is trying to ______ the serious problems resulting from the energy crisis.

A．step up              B．cope with            C．cut off            D．end up

18、---But for your timely warning, we ______ into great trouble.

---You know we’re friends.

A．would get                B．must have got    C．would have got         D．can’t have got

17、Talking about his success, the famous scientist said, “I’ve been lucky ______ there are many people who have helped me.”

A．provided that           B．now that       C．so that            D．in that

16、As a teacher, we should try to ______ it ______ to our students how helpful a correct learning method is.

A．get; about        B．get; away           C．get; across     D．get; off

15、Ladies and gentlemen, due to an unexpected accident, one of the singers whom all of you ______ to hear ______ tonight.

A．have come; won’t be performing              B．come; won’t perform

C．had come; don’t perform                     D．came; wouldn’t perform

14、A young woman saw a pair of fashion boots in a shop that set her heart ______. But the price was far beyond her means.

A．to race          B．racing         C．race         D．raced

13、The church was built ______ a Roman temple had once been located.

A．what        B．racing         C．race         D．raced