英语改否定句,一般疑问句急Tom did his homework yeseterday They stayed in beijing for two weeks

问题描述:

英语改否定句,一般疑问句急Tom did his homework yeseterday They stayed in beijing for two weeks

Tom didn't do his homework yesterday.Did Tom do his homework yesterday?They didn't stay in Beijing for two weeks.Did they stay in Beijing for two weeks?