--Why does he like koalas?-- he thinks they are very cute.[ ]A. Becau

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--Why does he like koalas?
--        he thinks they are very cute.[     ]
A. Because
B. So
C. But
D. And

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举一反三

I"ll wait here           he comes to see me.    [     ]
A. after
B. until
C. while
D. as soon as

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______ he comes, we won"t be able to go.[    ]
A. Without
B. Unless
C. Except
D. Even

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He was too tired    _     doing the housework. [     ]
A. because of
B. because
C. so
D. to

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-How do you like the concert given by the "Foxy Ladies"?
-Exciting. _____ one piece of music wasn"t played quite well.[ ]

A. so
B. though
C. because
D. and

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I study hard          I can catch up with my classmates.     [     ]
A. so that
B. because
C. in order to
D. as

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