- does your school have the parents’ meeting ?-- Twice a year.A. How oftenB. How lo

问题补充：

---- does your school have the parents’ meeting ?

---- Twice a year.

A. How often

B. How long

C. How many

D. How much

答案：

(答案→)A. How often

B. How long

C. How many

D. How much

解析：A.多久一次B.多久 C.多少 D. 多少.句意: —你的学校多久开一次家长会？—一年两次。知选A。