1¡¢—Lost and Found offiice. _______?
— I wonder if you have a small black suitcase of mine.
A.What can I do for you B. Who’s that
C. What’s that D. How do you do
2¡¢They are just college graduates and don’t realize ____ to start and run a company.
A. what takes it B. what they take C. what takes them D. what it takes
3¡¢While dancing happily at home, £®
A£®the door bell rang B£®the door bell rings
C£®we heard the door bell rings D£®we heard the door bell ring