Tom was (doing his homework)at 6:30 pm yesterday(对括号内部分提问)应该怎么改—was Tom—at 6:30 pm yesterday
问题描述:
Tom was (doing his homework)at 6:30 pm yesterday(对括号内部分提问)应该怎么改
—was Tom—at 6:30 pm yesterday
答
What was Tom doing?
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