题目列表(包括答案和解析)

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25.The rise of oil prices made scientists search for new energy resources ______ oil.

    A.replace        B.replacing       C.to replace     D.replaced

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24.You didn't believe John won the first prize at the speech competition, ______?

    A.did he        B.didn't he      C.did you       D.didn't you

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23.I had reached a point in my career _____ I needed to decide which way to go.

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

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22.Here are some new computer programs _____ for home buildings.

    A.designing      B.design        C.to design      D.designed

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21.    __ sweet and fresh, this kind of food is so popular with local people and the tourists.

    A.Smell          B.Smelling       C.To smell       D.Smelt

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20.Always read the label ______ you wash your clothes.

    A.before         B.unless         C.since          D.until

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19.-Flight 331 _____.I'd better be on my way.Goodbye.

    -Bye.Happy landing!

    A.is announced                B.is being announced

    C.is announcing                D.has announced

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18.T appreciate that it's not easy for you, but you ______ try to get here on time.

    A.may           B.must         C.will            D.can

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17.-Sorry we're late.We ______ the wrong turning.

    -That's all right.Come in, please.

    A.take          B.have taken     C.took          D.had taken

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