____you study,____grades you will get.A,The hard ;the better B.The harder; the betterC.The hard ;the good C.The harder ;the good
——How long has his father ________London? ——For two weeks.
This kind of CD-ROM is very popular. Why not buy one before it___________? A. comes out B is come out C. is sold out D. sells out
——Do you mind if I open the door? ——___________.
——It’s said that few people like the music. ——That’s true. It sounds _________.
Is this football__________?