In order to give children a better life in the future, we should ____ the environment.
_______is your school? Go straight on then turn left. A. What B.Where
Look,Tom is_________a letter. A.writing B.writeing
Daming and Jim_______playing the guitar. A. is B.are
Let’s________the bus. A.get on B.gets on
The children__________football. A.is play B.are playing