题目内容
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 .
A
【解析】解题关键:have trouble in doing sth,此处in可以省略。句意:当Peter当众讲话的时候,他总是很难想起该说的话。
【考点定位】考查非谓语动词的用法。
练习册系列答案
相关题目