Question

—          does he have music lessons?     —Twice a week.

A．How long

B．How far

C．How often

D．How much

Answer 1

C

試題分析：句意：他多久學一次音樂？一周兩次。A多久，問時間B多遠，問距離C多久一次，問頻率D多少，問數量；多少錢，問價錢。