He studied for a test; he was worried about _______ the test.A．to passB．passC．to_刷题宝

题干

He studied for a test; he was worried about _______ the test.

A．to pass

B．pass

C．to fail

D．failing

上一题下一题 0.65难度单选题更新时间:2019-10-06 10:43:44

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