1.Tuyouyou,85-year-old Chinese scientist, won the Nobel Prize on October 5,2015.
A.a B. an C. the D. /
2.Four students of the Football Club come from Grade7 and come fromGrade8.
A. another B. others C. the other D. the others
3.—Doctor, it is too hard for me to give up smoking.
— For your own health, I’m afraid you.
A. can B. may C. must D. need
