When we were young, every evening my brother and I____ stay at home waiting for our mother.
A. would B. might C. should D. could
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