问题描述：
改成一般疑问句I can sweep the floor.
I can sweep the floor.
They are drinking water.
this is a computer.
改成英语的肯定回答.
This is a computer.
Bill goes to work by subway.
I often climb mountains on the weekends.
改成英语的否定回答.
I can sweep the floor.
They are drinking water.
this is a computer.
改成英语的肯定回答.
This is a computer.
Bill goes to work by subway.
I often climb mountains on the weekends.
改成英语的否定回答.
问题解答：
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