问题描述：
英语的几道题讲解
1.-Sorry for being late again.
-( )here on time next time,or you will be punished.
A.be B.being C.to be D.been
2.Be sure to come tonight.(改为否定句）
要讲解
1.-Sorry for being late again.
-( )here on time next time,or you will be punished.
A.be B.being C.to be D.been
2.Be sure to come tonight.(改为否定句）
要讲解
问题解答：
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