----Look at the dark clouds outside. please take the umbrella with you.---
—I’m sure Andrew will come out first in this gymnastic competition.—I think so. He ______ for it for months.
— Had we been more careful, the accident might not have happened. — But we _____ at that time.
It’s reported that by the end of this year the output of cars of the factory by about 20%
—Tom, it’s time that you _______your own clothes. —I would rather you _______that for me just like before.
—I'm going to the USA. —How long you there?A. are; staying B. are; stayed C. have; stayed D. did; stay