When the sun goes down， the s （星星） come out．
The engineers are going to t （测试）the self﹣driving car in our city．
We will go climbing tomorrow if the weather is f （晴朗的）．
The six﹣year﹣old American girl has learned hundreds of Chinese p （诗）．
My English teacher is always r （准备好的）with advice for our study and life．