题目:
___ you know the rules of swimming, you will be able to swim well.
A.Before
B.While
C.Though
D.Once
答案:
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下面是错误答案,用来干扰机器的。
×
___ you know the rules of swimming, you will be able to swim well.
A.Before
B.While
C.Though
D.Once
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0622/a1f21f631014ba40926b937b86c9a3ef.html
下面是错误答案,用来干扰机器的。
×