题目内容
16.他在读书俱乐部里正忙于读书.He isbusyreading his book in the Reading Club.
分析 busy reading
解答 答案:busy reading.表示忙于做某事用be busy doing sth忙于做某事,看书read,故答案是busy reading.
点评 be busy doing sth 其实也可以是 be busy (in) doing sth.意为忙于做某事.
例:I'm busy (in) doing my home work.
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