简介： 26.—— I’m sorry for breaking your pen .
—— _________ .
A .Certainly not . B.Nothing serious .
C.Never mind . D.Don’t mind
27——Would you mind opening the window ?
—— _________ .
A .Of course . B .Not at all .C.No ,I wouldn’t .D .Yes, I would .
28.Bob _____ two hour...