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【题目】Only in recent years ______ begun to realize that wild dogs, kept within bounds, often do better than harm.
A.people haveB.do people have
C.have peopleD.people who have
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【题目】The development of industry has been_______ gradual process throughout _______ human existence, from stone tools to modern technology.
A.不填, the
B.the; a
C.a; 不填
D.a; a
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【题目】— Is there anything else to discuss?
—_____________. I guess.
A.Not at all
B.No, that's all
C.Yes, I'm sure
D.Yes, of course
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【题目】—You needn't lake an umbrella. It isn't going to rain.
—Well, I don't know. It do.
A.might
B.need
C.would
D.should
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【题目】Only when you have obtained sufficient data ______ come to a sound conclusion.
A.can youB.you canC.would youD.you would
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