—Can I eat the cake ,Mum?
—Yes, you can. ______you must wash your hands first .
A. But B. Or C. So
—Would you like something to drink ?
—_______ , please .
A . Water B.Meat C. Bread
I usually play ______ basketball with my friends .
A. a B. the C. 不填
— May I smoke here?
—Sorry, Look at the sign . you mustn’t do it.
—You will fail in the exams ________ you work hard.
—I know, Dad. I'll try my best.
A. if B. unless C. as long as
We usually ________ different clothes in the shop to decide which one to buy.
A. try on B. take off C. sell out
