问题
选择题
He found _____ not easy to learn a foreign language well.
A．one
B．that
C．it
D．them
答案
答案：C
搜题请搜索小程序“爱下问搜题”
He found _____ not easy to learn a foreign language well.
A．one
B．that
C．it
D．them
答案：C