A teacher ______ also make a mistake if he is not careful enough.[ ]A. mustB. may C. shouldD. has to

题目简介

A teacher ______ also make a mistake if he is not careful enough.[ ]A. mustB. may C. shouldD. has to

题目详情

A teacher ______ also make a mistake if he is not careful enough.
[     ]
A. must
B. may
C. should
D. has to
题型:单选题难度:中档来源:同步题

答案

B

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