This pair of socks -------not mine.My socks -------on the bed.a.is;are b.is;is c.are;are d
问题描述:
This pair of socks -------not mine.My socks -------on the bed.a.is;are b.is;is c.are;are d
This pair of socks -------not mine.My socks -------on the bed.
a.is;are b.is;is c.are;are d.are;is
答
a