Question

— ________ do you play table tennis, Jim？
—Twice a week.

A．How long	B．How often
C．How much	D．How many

Answer 1

B

試題分析：句意：你多久打一次乒乓球，Jim?一周兩次。A多長；B多久一次；C多少，問不可數名詞；D多少，問可數名詞；結合回答，可知選B。