．（全国卷I 30）. The little boy won’t go to sleep ______________his mother tells him a story.
| A．or | B．unless | C．but | D．whether |
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.—I’ve got to go now.
—Must you ?I ______you could stay for dinner with us.
| A．think | B．thought |
| C．have thought | D．am thinking |
—Have you __________?
—No. I had the wrong number.
| A．got in | B．got away | C．got off | D．got through |
—What do you think of the movie? 
—It’s fantastic. The only pity is that I ______ the beginning of it.
| A．missed | B．had missed | C．miss | D．would miss |
Ladies and gentlemen, please remain __________ until the plane has come to a complete stop.
| A．seated | B．seating | C．to seat | D．seat |
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