They tried several times to       the problem, and in the end they succeeded.A.g

They tried several times to       the problem, and in the end they succeeded.A.g

题型:不详难度:来源:
They tried several times to       the problem, and in the end they succeeded.
A.give upB.work outC.look throughD.think of

答案
B
解析
本题的含义应该是他们几次尝试解决这个问题,最后成功了,work out表示解决的意思,与句意较符合,故选B。
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