问题
选择题
They like to study the small things in _______ nature. [ ]
A. a
B. /
C. the
D. an
答案
答案：B
搜题请搜索小程序“爱下问搜题”
They like to study the small things in _______ nature. [ ]
A. a
B. /
C. the
D. an
答案：B