You _____ wash your hands before meals. It is good for your health. [ ]A. may B. can C. have to D. m

题目简介

You _____ wash your hands before meals. It is good for your health. [ ]A. may B. can C. have to D. m

题目详情

You _____ wash your hands before meals. It is good for your health.

[     ]

A. may
B. can
C. have to
D. must
题型:单选题难度:中档来源:期末题

答案

D

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