--- I hear Robert has gone to Harvard University for his master’s degree.
--- Oh, how nice! Do you know when he ____?
| A．was leaving | B．left | C．had left | D．has left |
It was believed that things would get worse, but ____ it is they are getting better.
| A．as | B．after | C．because | D．before |
If you don’t keep the meat in the refrigerator on such a hot day, it may ____.
| A．go off | B．go away | C．go out | D．go down |
The police have ____ power to deal with such matters by ____ law.
| A．the; the | B．不填；不填 | C．不填；the | D．the；不填 |
The fact that she was foreign made _____difficult for her to get a job in that country
A soB. itC. thatD. much
The magazine is ______reading, so he advised me ____it.
A well worth; buying B very worth; to buy
C worthying , buying D worthy, to buy