【2015黑龙江绥化】21._______ the population of China?
A. What’s B. How much C. How many
21. A
【2015海南】33. —________ will you ask for help when you get into trouble?
—My parents, I think.
A. Who B. What C. Where
33. A【
【2015福建厦门】23. —— _____________do you play chess?
——I play at least twice a week.
A. How much B. How often C. How long
23. B