—I’m sorry to trouble you, Miss White.

—________.

A. Fine, thank you　　　　　　　　　　 B. All right

C. It doesn’t matter　　　　　　　　　　 D. It’s very kind of you

I'm sorry to have you waiting so long for Marcia, and I'm afraid it'll be ten minutes             she comes back.

A. before   B. after   C. until

—I’m sorry to keep you waiting for me so long.
—_______

—I’m sorry to tell you a fast car _______ Li Lei yesterday.

????????????? —Oh, that’s terrible!

A. to hit????????????? B. hitting????????????? C. hit????????????? D. hits