—Can you come to dinner with us this evening, Zhao Ming? — _______.
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. /
I _________ what you are doing now.