问题
选择题
We want to know ______ better.[ ]
A. what to swim
B. how to swim
C. swimming
D. to swim
答案
答案：B
搜题请搜索小程序“爱下问搜题”
We want to know ______ better.[ ]
A. what to swim
B. how to swim
C. swimming
D. to swim
答案：B