_________ trees have been planted these years.
I hear there will be all kinds of robots________ twenty _____ time .A. after, years B. in, years’ C. for, year’s
I know Beijing very well since I ________ there three times.A. have been B. went C. have gone
-- You look very worried. _______? -- My new car hurt an old woman.A. Can I ask a favour B. How do you do C. What’s up
Tom ______ the book before he took it. A. looked up B. looked for C. looked through
It is raining ______, I have to stay at home instead of going fishing.A. hardly B. heavily C. strongly