问题
选择题
Swan Lake is a famous ballet(芭蕾) in four acts, ________ on a German fairy tale.
A．basing
B．based
C．bases
D．to base
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Swan Lake is a famous ballet(芭蕾) in four acts, ________ on a German fairy tale.
A．basing
B．based
C．bases
D．to base
答案：B