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题目
题型:不详难度:来源:
Since the project has been ___ on well, you must ___ it on until it is completed.
A.carrying, carry B.going, carry
C.going, goD.carrying, go

答案
B
解析

试题分析:原句意思是,这项工程进展顺利,你一定要坚持,直到它完工。表示动作从过去某一时间开始一直延续到现在,并且有可能持续下去,所以应该用现在完成进行时;carry on意思是继续,坚持下去,所以选B。
点评:根据前后句的关系,来判断时态。表示动作从过去某一时间开始一直延续到现在,并且有可能持续下去,应该用现在完成进行时
核心考点
试题【Since the project has been ___ on well, you must ___ it on until it is completed】;主要考察你对一般现在时等知识点的理解。[详细]
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