Question

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

Answer 1

A

解析試題分析：本題考查固定搭配，have trouble in doing sth.做…有困難，in可以省略，句意：當彼得在公共場所講話時，他總是找不到適當的話說。所以答案為A。
考點：考查固定搭配
點評：have trouble( in) doing sth. .做…有困難還可以用have difficulty （in） doing sth.學生可能由于固定搭配不清楚而出錯。