1|Are those your sisters?yes,they,re 2 these are tom and peter bikes
问题描述：
1|Are those your sisters?yes,they,re 2 these are tom and peter bikes
3 they are photoes 以上三个题改
答
1they,re改为 they are.
2 tom and peter 改为Tom and Pete 's或者Tom 's and Pete 's
3photoes 改为 photos