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31.As a result of multi-media used in teaching, not only _______, but students become more interested in the lessons.

     A.saved is teachers’ energy            B.is teachers’ energy saved

     C.teachers’ energy is saved            D.is saved teachers’ energy

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30.No one is sure of the extent ________ this will affect business.

     A.which             B.when             C.by which          D.to which 

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29.Stephen Hawking believes that the earth is unlikely to be the only planet      life has developed gradually.

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

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28.You can hardly imagine the difficulty the woman had ________ her children.

     A.bringing up      B.bringing about  C.brought up        D.brought about

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27.I was late this morning because my alarm o’clock failed to _______.

     A.go out            B.go away          C.go off            D.go without

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26.If caught ________ in Singapore, the person is definitely subject to heavy fines.

     A.litter            B.littered           C.to litter         D.littering

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25.The living room is clean and tidy, with a dining table already _______ for a meal to be cooked.

      A.laid               B.laying           C.to lay             D.being laid

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24.Would you complain if you were ________ with the food or service in a restaurant?

     A.overpaid                         B.dissatisfied      

     C.underrated                       D.misinformed

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23.The school is trying its best to improve its digital library, making it more ________ to students.

     A.achievable                            B.approachable                    

     C.affordable                             D.accessible

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22.You might think they have enough money for the project but ________ could be further from the truth.

     A.something       B.everything     C.nothing        D.anything

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