把下列句子改成否定句,一般疑问句,并作肯定和否定回答1：You are a postman 2:Tom's coat broen 3:Miss Zhang is in the classroom 4:This is a blue hat 5:That is your bicycle 6:Their pants are old 7:You are workers 8:We are in the park 9:Mary is in the classroom 10:We are good frisnds 11:These girls are nice 12:I am a doctor 13:There is some tea in the park 14:There is a bag on the bed 15:There are many flowers in the park 16:There are some trees in the school 17:There are four orang

把下列句子改成否定句,一般疑问句,并作肯定和否定回答
1：You are a postman 2:Tom's coat broen 3:Miss Zhang is in the classroom 4:This is a blue hat 5:That is your bicycle 6:Their pants are old 7:You are workers 8:We are in the park 9:Mary is in the classroom 10:We are good frisnds 11:These girls are nice 12:I am a doctor 13:There is some tea in the park 14:There is a bag on the bed 15:There are many flowers in the park 16:There are some trees in the school 17:There are four orangs on the table 18：You have some coffee 19:There are some cows behind the tree 20:There is a doctor in the office 21:He has many story books 22:There are four kites in the sky
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