问题
选择题
-Why was the Great Wall built?
-To ________ against enemies.[ ]
A．turn
B．defend
C．protect
D．prevent
答案
答案：B
搜题请搜索小程序“爱下问搜题”
-Why was the Great Wall built?
-To ________ against enemies.[ ]
A．turn
B．defend
C．protect
D．prevent
答案：B