English用适当的单词完成对话!哥哥姐姐些~

问题描述:

English用适当的单词完成对话!哥哥姐姐些~
A:Hello,Ms.Read.
B:Hello,Mr.Green.
A:Sorry,_____late.
B:_____all right.
A:Ms.Read,sit_____,please.
B:_____ you.
late(迟到)

sorry,i am late
that's all right
ms.read,sit down,please
thank you