The thought ______ he might fail in the exam worried him a lot.A．whenB． whichC．t_刷题宝

题干

The thought ______ he might fail in the exam worried him a lot.

A．when

B． which

C．that

D．what

上一题下一题 0.85难度单项选择更新时间:2011-07-23 05:13:14

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