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P99-34All.isacontinuoussupplyofthebasicnecessitiesoflife.A.whatisneededB.thatisneededC.thethingswhichisneededD.thethingsneeded为什么不选D

题目详情
P99-34
All.is a continuous supply of the basic necessities of life.
A.what is needed B.that is needed
C.the things which is needed D.the things needed
为什么不选D
▼优质解答
答案和解析
因为选d的话,是复数,后面要用are,而不是is