变否定句，一般疑问句，用who、what提问

Question

句子是1.Tom was waiting for the bus . 2.They were doing homework. 变否定句，一般疑问句，用who、what提问 急
was，were不变

Answer 1

你好，很高兴能够在这里回答你的问题，这道题的正确答案应该为：

1 Tom wasn't waiting for the bus.
Was Tom waiting for the bus?
Who was waiting for the bus?
What was Tom waiting for?

2 They weren't doing homework.
Were they doing homework?
Who is doing homework?
What were they doing?

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