---I’m very sorry. I broke your tea cup.----__________.
The school has eight _______ students.
-----I have to go now. -----It is raining . Don’ t ______ until(直到) the rain stops.
I have a new ______ . I can put my money in it.
Water is very dangerous sometimes. So we must be careful _____ it.
In our city, _____ middle school students want to be a teacher in the future(将来) every year.