---______ visited the Shanghai World Expo is sure to tell you the place is worthy ______ twice．---You can say that again．A.Those who have; visitingB.Whoever has; visitingC.Those who have; to be visitedD.Whoever has; to be visited
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D解析Whoever引导主语从句；be worthy to be done/be worthy of being done固定搭配，某事值得做。