This case is too heavy. Could you _____ me a favor?A.to do B.doing C.do
—Will you go to the dinner party tonight?—I won’t go unless Sue________.
I don’t think sixteen-year-olds should________to go to net bars.
—What are you going to do this afternoon,Andy?—My hair is too long.I want to get my hair________.
I failed in the final exams last term and only then________the importance of study.
It’s important for teenagers________time with friends.