Is this a teacher’s desk? ———Yes, A.it isn’t B.is it C.Yes, it is
_______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