We’ll do what we can _________ our environment.
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
There is ________ with your computer. Why not have it ________? A. wrong something, mendedB. something wrong; mend C. something wrong; mended