问题
选择题
-________is your friend staying here?
-Only for four days.[ ]
A. When
B. How often
C. How long
D. How soon
答案
答案：C
搜题请搜索小程序“爱下问搜题”
-________is your friend staying here?
-Only for four days.[ ]
A. When
B. How often
C. How long
D. How soon
答案：C