读句子，根据提示写单词。1. It is smaller than a river. → s__ __ __a__
2. This person plays in films. → a__ __ __ __
3. This person keeps the streets clean. → c__ __ __ __ __ __
4. It is made from water vapour. → c__ __ __ __
5. It falls from the clouds. → r__ __ __
试题答案
1. stream 2. actor 3. cleaner 4. cloud 5. rain