问题
选择题
选择填空。
You must study English well ______ it is very useful. [ ]
A．but
B．because
C．so
答案
答案：B
搜题请搜索小程序“爱下问搜题”
选择填空。
You must study English well ______ it is very useful. [ ]
A．but
B．because
C．so
答案：B