【題目】It may be hard for you to focus ________ your study under stress.

A. in B. on C. with D. for

【答案】B

【解析】

句意：在壓力下你很難集中精力學(xué)習(xí)�！皩Ｗ⒂�….”固定短語focus on sth, 故選B。

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