The man is teaching in our school, but，believe it or not，he __ as a business man for 8 years.
| A．worked | B．was working | C．had worked | D．has been working |
相关试题
The room is in a terrible m
ess; it ________have been cleaned.
| A．can’t | B．mustn’t | C．shouldn’t | D．wouldn’t |
The British are not so familiar with different cultures and other ways of doing things, ________ is often the case in other countries.
| A．what | B．as | C．so | D．that |
So far this year we _______ a fall in house prices by between 5 and 10 percent.
| A．saw | B．see | C．had seen | D．have seen |
I thought we’d be late for the concert, _______ we ended up getting there ahead of time.
| A．but | B．or | C．so | D．for |
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