It’s very warm here in the room. You’d better ______ your coat.
Listen! I hear some birds ___________ the tree.A. sing in B. singing in B. sing on D. singing on
The girl was flying a kite ____________ her father came back.
Many people are _____________ in the ____________ story.
We don’t know how to remember these English words. Can you give us ____________?
I study in High School Affiliated to Southwest University. There are __________ students in our school. Nine ______________ of them are girls.