Question

【题目】— does your school have the parents' meeting?
— Twice a year.
A.How often
B.How long
C.How many
D.How much

Answer 1

【答案】A
【解析】句意：——你们学习多久开一次家长会？——一年两次。How long多长时间；How many提问可数名词的复数；How often多久一次；How much提问不可数名词数量的多少；结合句意，故选A。