—Lu does work hard. —Yeah. _____ of his time ______been spent on studies every day.
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 up C. give up
Our parents always everything good we do.A. get angry withB. take no interest inC. 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; sendingB. write; sendC. writing; sending