--- Did you see a girl in red pass by just now?--- No, sir. I _______ a newspaper.A. read B. am reading C.was reading
---Look! _________ clean the classroom looks !---Yes. I’m sure somebody __________ it up.
Wars are disasters. A large number of people will lose their homes if a war .
---How do you like the story?---Interesting,_______ the end of it is not perfect.
You are working too hard. You’d better keep a__________ between work and relaxation.
Some people won’t realize the value of their health ________they lose it.