To make our city more beautiful, rubbish ________ into the river. [ ]A. needn't be thrown B. mu

题目简介

To make our city more beautiful, rubbish ________ into the river. [ ]A. needn't be thrown B. mu

题目详情

To make our city more beautiful, rubbish ________ into the river.          
[     ]
A. needn't be thrown      
B. mustn't be thrown          
C.can't throw              
D. may not throw
题型:单选题难度:中档来源:同步题

答案

B

更多内容推荐