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Sleepinglesscanbehelpfulyou,becauseyouarefat.AforBtoCwithDby(如果把helpful换成healthy,选哪个?

题目详情
Sleeping less can be helpful _____ you,because you are fat.
A for B to C with D by
(如果把helpful换成healthy,选哪个?
▼优质解答
答案和解析
分别是B 和A be helpful to somebody 和be healthy for somebody