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科目: 來源: 題型:單選題

Zhengzhou was attacked by such a terrible sandstorm ________ few residents had ever experienced before.

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

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Take an active part in sports or other activities you enjoy ,________ you can meet various kinds of people.

A.what B.there  C.which  D.where 

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Sometimes,________ we show our gratitude for a person is reflected in the kind of food we serve him or her.

A.when B.whether C.why D.how

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科目: 來源: 題型:單選題

After months of a hard voyage on the rough sea, they finally came to _____they called their “promised land”.

A.where B.what C.how D.which

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Our special thanks to go thousands of volunteers, without ____tireless work, none of this would be possible.

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

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科目: 來源: 題型:單選題

She won’t lose weight ___ she keeps a diet and takes exercise every day.

A.if B.when C.unless D.as if 

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I don’t understand how he can say that everything is fine _____ it’s so obvious that it’s not.

A.unlessB. in caseC.so thatD.when

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_____ is known to all is that effective measures should be taken to deal with the problem of the over-exploiting of our resources.

A.What  B.It  C.As D.Which 

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The place _____ the bridge is supposed to be built should be _____ the cross-river traffic is heaviest.

A.which; whereB.at which; which
C.at which; whereD.which; in which

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科目: 來源: 題型:單選題

_______ small, the company has about 1000 buyers in over 30 countries.

A.AlthoughB.IfC.OnceD.As

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