16. — Manager, I’d like to take a week’s holiday.

— ________. We’re too busy nowadays, you know.

A. Don’t worry          B. Forget it                   C. That’s all right         D. Pardon me

17. We have every reason to believe that ________ 2010 Shanghai World Expo will be ________ success.

A. a; a                        B. the; /                        C. the; a                       D. /; a