________ the course very difficult，she decided to move to a lower level.(2013·北京，24)
| A．Find | B．Finding |
| C．To find | D．Found |
相关试题
Miss Li _ as a secretary for five years in the company, and now she is general manager of it.
| A．serves | B．served | C．had served | D．has served |
Though a typhoon is on the way, people are still looking forward _________ the outdoor 
concert by the pop singer.
| A．to canceling | B．not to canceling | C．not to cancel | D．to not canceling |
－Mary, how did your Math test go?
－I had thought I _________, but in fact I came in the top 10% in my class.
| A．should have failed | B．couldn’t have failed |
C．might have failed | D．shouldn’t have failed |
Rome was not built in a day. You should set ____ goals and work hard to achieve them.
| A．alternative | B．considerable | C．subjective | D．realistic |
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