WhenRobertwasasmallboy,he

问题详情：

When Robert was a small boy, he _______playing the piano.

A. was interested in                           B. was good for

C. was good with                               D. was strict with

【回答】

A  句意为“罗伯特小时候就对*钢琴感兴趣”。be interested in对……感兴趣。

知识点：动词和动词短语

题型：选择题