---Have you read any novels written by the famous writer Mo Yan?
--- Yes, of course. I ______ several of his works when I was studying abroad.
A. read B.had read C.have read D. was reading
Thanks to scientific research, we now have a good understanding of ______ an earthquake is and why it happens.
A. how B.which C.whether D. what
--- What shall we prepare for our picnic this weekend?
--- Well, let’s discuss it ______ lunch.
A. at B.with C.over D. by
How can you expect to learn anything ______ you spend all your time playing computer games?
A. unless B.until C.though D. when
--- How easy is it to find a taxi in this city?
---Simply _______ your hand, and a taxi appears in no time.
A. to raise B.raise C. raising D. raised
---Would you please help me get this job with the company?
---Sure. You know, I would do ______ for you.
A. as much B.too much C.rather much D. so much
