问题
选择题
— _______have you been learning to swim?
—Half a year. [ ]
A. How long
B. How often
C. When
D. How far
答案
答案：A
搜题请搜索小程序“爱下问搜题”
— _______have you been learning to swim?
—Half a year. [ ]
A. How long
B. How often
C. When
D. How far
答案：A