His invention was ________. It was very useful. 

试卷相关题目

• 1Mary looks very anxious. She seemed ________ what the speaker really meant. 

  A.not to understand

  B.not to have understood

  C.not to be understanding

  D.to be not understanding

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• 2He is an excellent professor, so his lecture is worth ________. 

  A.listen to

  B.listening

  C.being listened to

  D.listening to

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• 3Australia is also a/an ____ country. 

  A.speak-English

  B.speaking-English

  C.English-speak

  D.English-speaking

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• 4Mathematics proved ________ especially in the modern time. 

  A.very useful

  B.of great use

  C.to be useful

  D.all the above

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• 5There ________ a church, and now it is a hospital. 

  A.used to be

  B.seemed to be

  C.must be

  D.might be

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• 6His rich experience ________ his lack of knowledge in the area . 

  A.makes for

  B.makes up for

  C.makes out for

  D.makes up from

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• 7They said their goods were ________ the best. 

  A.close to

  B.got close to

  C.closed to

  D.closed

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• 8We all have a _______ to play in the protection of the environment. 

  A.function

  B.effect

  C.part

  D.use

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• 9The foreigners didn't go to Tianjin, ______ ,they came to Shanghai. 

  A.On contrary

  B.in the contrary

  C.on the contrary

  D.in contrary

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• 10These engines ________ by hand, but now they are started by electricity. 

  A.got used to staring

  B.were used to starting

  C.used to be started

  D.used to start

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