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【单选题】

There is too much noise outside.I can hardly _____ my attention on my book.
[ ]

A.
fill
B.
pay
C.
connect
D.
concentrate
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参考答案:
参考解析:
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举一反三

【单选题】I want to buy that kind of cloth because I _____ the cloth _____ well.[ ]

A.
have told; washes
B.
have been told; washes
C.
was told; washed
D.
have been told; is washed