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People will work for _ 30 hours a week .A less than B more than C fewer than D more or less知道是选A,但是不知道为什么,

题目详情
People will work for _ 30 hours a week .A less than B more than C fewer than D more or less
知道是选A,但是不知道为什么,
▼优质解答
答案和解析
fewer一般用在人数这方面