-May we leave the classroom now?-No, you _______. You _______ to leave until the bell rings.
If you feel too tired while working, you’d better stop _______and have a rest. A. work B. to work C. working
—My father has decided to smoking. —That’s really a piece of good news. A. stay up B. clean upC. give up
Our parents always everything good we do. A. get angry with B. take no interest in C. take pride in
—Do you like sports a lot? —Sure. And I’m our school basketball team. A. in B. at C. on
I used to ______letters to my pen pals, but now I’m used to______ e-mails to them. A. write; sending B. write; send C. writing; sending