---Spacecraft “Discovery” has failed in the course of launch.
----_______? They have been preparing for the test.
A. How come B. When C. How D. Why not
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小学生10分钟应用题系列答案科目：高中英语 来源： 题型：
—It’s a long time___ I saw you last.
—Yes,and what a pity it is since it will be a long time___ we see each other again. 【陕西西安一中2010-2011学年高三下学期综合冲刺卷】【连词】
A.before;since B.when;when
C.since;before D.when;then
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She was too sad to ______ her tears when she heard the sad news.
A．keep up B．keep out C．keep back D．keep away
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Leave your key with a neighbour ___ you look yourself out one day.
A. ever since B. ever if C. soon after D. in case
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I am afraid that your request to speak at the ceremony is not quite _______, because we have already had everybody _______ ______.
A. in place; speak; in place B. in place; to speak; in place
C. out of place; speaking; in place D. in place; to speak; in the place
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All of the guests by 9 o’clock , but the host until 15 minutes later .
A．arrived ; didn’t turn up B．had arrived ; didn’t turn up
C．arrived ; hadn’t turned up D．had arrived; hadn’t turned up
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Is this the reason _____ at the meeting for his carelessness in his work?
A. he explained B. what he explained C. how he explained D. why he explained
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With so many difficult problems ______, the newly-elected president, Obama, is to have a hard time.
A. settled B. settling C. to settle D. being settled
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The injured were lying in hospital _________the shock from the traffic accident.
A. to suffer B. suffered C. suffered from D. suffering from
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