We should try a good way to keep ______ teachers______ students ______.[ ]A. both; and; happily B. e

题目简介

We should try a good way to keep ______ teachers______ students ______.[ ]A. both; and; happily B. e

题目详情

We should try a good way to keep ______ teachers______ students ______.          
[     ]
A. both; and; happily      
B. either; or; happy            
C. all; and; happily        
D. both; and; happy
题型:单选题难度:中档来源:同步题

答案

D

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