题目内容
— What is he busy doing?
— Doing the experiment _____ (complete) the science project.
to complete
【解析】
试题分析:句中所填词作experiment的定语。所以动词不定式。
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题目内容
— What is he busy doing?
— Doing the experiment _____ (complete) the science project.
to complete
【解析】
试题分析:句中所填词作experiment的定语。所以动词不定式。