He started to learn English in 1990 and in the years ________ he kept on using it in his work.
A.following | B.followed | C.follow | D.that followed |
We arranged to meet at 8:00, but she never ______.
A.turned down | B.turned off | C.turned over | D.turned up |
Missing the flight means _______ for another three hours.
A.waiting | B.to wait | C.wait | D.to be waiting |
After I had finished eating, he advise me ______ immediately.
A.set off | B.set aside | C.set down | D.set about |
-----This returned Chinese scholar has become one of the top experts in this field.
-----Yes, I know him very well. He _____ in Africa with wild animals for eight years.
A.is working | B.had worked | C.worked | D.has been working |
All made possible for China to succeed in carrying on its reforms and open-door policy.
A.what happened; it | B.what happened; that | C.that happened; it | D.that happened; that |