Mr Chen __________ his mobile phone to the shop because it can’t work at all.
-Our dining hall is always ________________ teachers and students at noon.
-Linda was just going out shopping________the telephone rang.
-Our teacher told us that the moon _______ around the earth.
-He buys __________ books, but he doesn’t read them at all.
-To keep safe, everyone_______ wear a seat belt(安全带) in a car.A. is suppose B. are supposed to C. is supposed to D are supposed