问题
选择题
— ______ does his sister water the flowers?
— Once a day. [ ]
A. How many
B. How long
C. How soon
D. How often
答案
答案:D
— ______ does his sister water the flowers?
— Once a day. [ ]
A. How many
B. How long
C. How soon
D. How often
答案:D