If you eat chocolate, maybe you’ll be fatter(更胖的).
—Why are you standing here, Mrs. White ? —I’m waiting for my son, he ________back form school.A. won’t B. hasn’t come C. doesn’t
—I think everyone must do his best to _______pollution.—If so, there will be a good future for people of tomorrow.A. keep B. stop C. stand
Could you tell me ______________ now?
China has became the third nation to send a person into space______________.
The air pollution is very serious,we should take___________to stop it.