I need your help because I don’t know __________.
It’s important for teenagers________time with friends.
Mr Li is very strict________his students and he is also strict________his work.
—I think the poor health will get________of your study.
—Don’t________too late,or you will feel tired in class tomorrow.—I won’t,Mom.
—You look worried,Kate.—I have to________a math test this afternoon.I’m kind of nervous.