单项选择题

It was not until he closed the door ______ he ______ he forgot Io take the keys with him.

A．that, realized
B．did, realize
C．which, realized
D．when, realized
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单项选择题
Though having been living in Shanghai for 20 years, he still has a ______ northern accent.
A．distinctive
B．distinct
C．distinguished
D．distinguishing
单项选择题
No government, any more than an individual, will long be ______, without being truly ______.
A．respectful, respected
B．respectable, respectful
C．respective, respectable
D．respected, respectable
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