---Xiao Wang, ________ will it take to fly to Beijing?
---About three hours.
| A．how far | B．how soom |
| C．how many | D．how long |
—Would you mind ______here?
—I’m sorry about that. I’ll go somewhere else.
A. no smoking
B. not smoking
C. not smoke
Sam spends two hours _______ his homework every day.
A. to do B. doing C. do
—How often are the Olympics Games held? — __________.
A. Every year
B. Every four year
C. Every four years
— _______ do you prefer, walking or running? —I like running better.
A. Which B. How C. When
—What’s the matter with you? — I have _____cold
A.the B. a C. /