A: Sorry, I didn’t return your book on time.—B: _______.

Show me your permit, please.—Oh, it’s not in my pocket. It ________.

the Internet is of great help,I don’t think it’s a good idea to spend too much time on it.

Watch! ——I ____ but ____ I ____ anything unusual.

you like me to make these calls for you–_______. I should have made them a while ago, but I have been at meeting all day.