Though he has lived in America for five years, he doesn’t intend to __________ American citizenship.
| A．apply for | B．stand for | C．take over | D．set up |
– Are you all right?
– ______.
| A．That’s OK | B．I think so | C．Take it easy | D．It’s very kind of you |
In some places women are expected to earn money ____ men work at home and raise their children.
| A．but | B．while | C．because | D．though |
The telephone _______, but by the time I got indoors, it stopped.
| A．had rung | B．was ringing | C．rings | D．has rung |
A cough is usually nothing to worry about unless it lasts for ten days.
| A． | or more | B． | instead | C． | at most | D． | only |
We had an anxious couple of weeks _____ for the results of the experiment.
| A．wait | B．to be waiting | C．waited | D．waiting |