题目内容
() 13. —May we leave the classroom now?
—No,you. You to leave until the bell rings.
A. can't; aren’t allowed B. mustn't; are allowed
C. needn’t; are allowed D. needn’t; aren’t allowed
13. A
练习册系列答案
相关题目
题目内容
() 13. —May we leave the classroom now?
—No,you. You to leave until the bell rings.
A. can't; aren’t allowed B. mustn't; are allowed
C. needn’t; are allowed D. needn’t; aren’t allowed