When Peter speaks in public, he always has trouble _ the right things to_刷题宝

题干

When Peter speaks in public, he always has trouble _ the right things to say.

A．thinking of

B．to think of

C．thought of

D．think of

上一题下一题 0.64难度单项选择更新时间:2014-05-22 12:25:53

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