(届天津市十二区县重点校高三第一次模拟联考英语试卷)The government will take some effective measures to control the heavy smog_____the northern China.
—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 factoryby 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; stayingB. are; stayedC. have; stayedD. did; stay