问题
选择题
—_____ do you water the flowers? —Twice a day.
A.How many
B.How many times
C.How often
D.How soon
答案
答案:C
题目分析:How many多少个;How many times多少次;How often 多久一次;How soon多久。根据下文,一天两次。可知上文问的是,你多久浇一次花?故选C。