Bicycling is good exercise；________, it does not pollute the air.[ ]A. never

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Bicycling is good exercise；________, it does not pollute the air.[     ]
A. nevertheless
B. besides
C. otherwise
D. therefore

答案

举一反三

We used to see each other ________, but I haven"t heard from him since last year. [     ]
A. especially
B. regularly
C. particularly
D. approximately

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Next to biology, I like physics ________. [ ]
A. better
B. best
C. the better
D. very well

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The hotel is almost finished, but it ________needs one or two weeks to get ready for guests.[     ]
A. only
B. also
C. even
D. still

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The dog may be a good companion for the old. ________, the need to take it for walks may be a
disadvantage.[     ]
A. Besides
B. However
C. Therefore
D. Instead

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Mike was usually so careful, ________ this time he made a small mistake. [     ]
A. yet
B. still
C. even
D. thus

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