问题
选择题
The best way to explore _______ countryside is on _______foot.
A．a; a
B．不填; the
C．a; 不填
D．the; 不填
答案
答案：D
搜题请搜索小程序“爱下问搜题”
The best way to explore _______ countryside is on _______foot.
A．a; a
B．不填; the
C．a; 不填
D．the; 不填
答案：D