一．按要求改句．1．They often do their homework at seven.(一般疑问句．否定句．并

一．按要求改句．
1．They often do their homework at seven.(一般疑问句．否定句．并作肯定或否定回答）
Do they often do their homework at seven?
Yes they do /No,they don't
They don't often do their homework at seven.
2.We have sports in the afternoon.(同上）
2.Do you have sports in the afternoon?
Yes,we do/ No,wo don't
We don't have sports in the afternoon.
3.I can see five dogs under the tree.(画线部分提问．划线是five.)
How many dogs can you see under the tree?
4.It often snows in winter.(改为一般疑问句．否定句．并作肯定否定回答）
Does it often snow in winter?
Yes.it is /No,it isn't
It doesn't often snow in winte

1.Do they often do their homework at seven?
Yes they do No,they don't
They often don't do their homework at seven.

2.Do you have sports in the afternoon?
Yes,we do No,wo...