问题
选择题
--_________do you have PE lessons?
--Three times a week.
A.How long
B.How soon
C.How many
D.How often
答案
答案:D
考查疑问词。How long多长; How soon多久; How many多少个;How often多久一次。根据答语的内容Three times a week.为一周三次,可知上文提问频率的,故选D