问题
选择题
Elephants have their own way to tell the shape of an object and_________ it is rough or smooth. [ ]
A./
B. whether
C. how
D. what
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Elephants have their own way to tell the shape of an object and_________ it is rough or smooth. [ ]
A./
B. whether
C. how
D. what
答案：B