I ______ have worried before I came to the new school, for my classmates here are very friendly to me.
A.mightn’t | B.mustn’t |
C.needn’t | D.couldn’t |
相关知识点
推荐试卷
I ______ have worried before I came to the new school, for my classmates here are very friendly to me.
A.mightn’t | B.mustn’t |
C.needn’t | D.couldn’t |
试题篮
()