问题
选择题
-The ground is wet.
-It must have rained last night,_____? [ ]
A. hasn't it
B. didn't it
C. mustn't it
D. isn't it
答案
答案：B
搜题请搜索小程序“爱下问搜题”
-The ground is wet.
-It must have rained last night,_____? [ ]
A. hasn't it
B. didn't it
C. mustn't it
D. isn't it
答案：B