单项选择题

We had to wait a long time to get our passports,_________

A．won’t we
B．don’t we
C．didn’t we
D．shouldn’t you
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单项选择题
All things_________, the planned trip had to be called off.
A．considered
B．be considered
C．considering
D．having considered
单项选择题
Since he left the university, he_________ in an accounting company.
A．has been working
B．had worked
C．had been working
D．was working
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