Tony ____ for the company as an engineer for two decades. Now he teachesmechanics m Peking University.
| A．has worked | B．worked | C．is working | D．had worked |
相关试题
It took me a long time before I was able to fully appreciate what they _____ for me.
| A．had done | B．did |
C．would do | D．were doing |
With difficult problems ___, the president feels relaxed now.
| A．settled | B．settling | C．to settle | D．being settled |
Little _____ that we were watching his every move, so he seemed to be going his own way in his business.
| A．he realized | B．he didn’t realize | C．didn’t he realize | D．did he realize |
----_____he dropped out of school?
----His family has run into financial difficulties.
| A．Why was it that | B．Why was that | C．Why was that it | D．Why was it |
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