-- Our school bus will leave at 8 o'clock tomorrow. Don't be late.-- OK. I will be there ten minutes________.
---Which sign can’t be seen on the road? ---_____. A. B. C.
--- Look, the factory is pouring waste water into the river. --- That’s terrible! Why not _____ them _____ that? A. keep; doing B.to keep; to do C.stop; doing
--- Work hard,_____ you won’t do well in your lessons. --- OK. I will. A. and B.so C. or
---I’m not sure_____ Mr. Wang goes to see his parents ---Twice a week. A. how long B. how often C. how soon
You _____ arrive at 6:00 a.m., but you arrived at 7:00a.m. last Sunday. Don’t be late this time. A. supposed to B.were supposed to C. are supposed to