题目内容：

读一读,完成句子 How can the water一一【become]vapour?the sun一一[shine]and the water一一[become]va

优质解答

How can the water become vapour?水如何变成蒸气?
the sun shines and the water becomes vapour.太阳照射水就变成蒸气了

追问：

It's a一一[sun]day. The cioud一一[come]from the vapour. Where一一[do]the vapour一一[come]from? They一一[go]up together and become a cioud.

追答：

It's a sunny day. The cioud comes from the vapour. Where does the vapour come from? They go up together and become a cioud