题目内容
The boy pretended ______ his homework, when his parents came back home.
A. to do B. do C. doing D. to be doing
D
解析:
用进行时态表示正在做什么。
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题目内容
The boy pretended ______ his homework, when his parents came back home.
A. to do B. do C. doing D. to be doing
D
用进行时态表示正在做什么。