单选题
John Smith, a diligent student, never refuses to ______ more responsibilities that are assigned to him.
A、
take in
B、
take up
C、
take off
D、
take on
【正确答案】
D
【答案解析】
[解析] 本题考查动词短语辨析。take in“吸收,领会”;take up“拿起,开始从事,占据”;take off“起飞,脱下,离开”;take on“承担,呈现”。本句表示承担责任,故选D。
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