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________ had been done, the working efficiency of the employees still remained low.
#69428
A
Though
B
Despite the fact that
C
Despite
D
Despite what
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We cannot figure out ____quite a number of insects, birds, and animals are dying out.
#74315
A
that
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as
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why
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 —So when did you meet Joan?—It was last Sunday _______ she came to visit my sister.
#66849
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that
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I don’t like the way ________ Mr. Wang treats his children.
#69566
A
/
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in that
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of which
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I don’t like the way    he often uses to speak to me．
#69493
A
in which
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—What time will Mr. Brown be back to China? —Sorry. I don’t know______.
#70080
A
when did he go abroad
B
why he is going abroad
C
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D
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