排序。
Where does the rain come from ?
The sun shines and the water becomes vapour .
It comes from the vapour.
It comes from the water in the river .
It comes from the clouds.
Where does the vapour come from ?
How can the water become vapour ?
Where does the cloud come from ?
连词成句，注意书写与标点。(12分）
（1）my is this classroom ( .)
（2）in what's it ( ? )
（3）likes my science friend ( .)
（4）new we six have lights ( . )
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