题目内容
【题目】When Peter speaks in public, he always has troublethe right things to say.
A.thinking of
B.to think of
C.thought of
D.think of
【答案】A
【解析】句意:当Peter在公众场合说话的时候,他总是很难想到合适的说话的内容。have trouble doing sth “做某事有困难“。故选A。
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