--- Do you like your school? ---_________
---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.