问题
选择题
I can't concentrate ________ my work ________ the noise loud outside.[ ]
A．on; with
B．in; for
C．on; because
D．with; with
答案
答案：A
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I can't concentrate ________ my work ________ the noise loud outside.[ ]
A．on; with
B．in; for
C．on; because
D．with; with
答案：A