题目内容
词形转换，学习本课常用縮写形式和完全形式
1. that is_________ 2. who are_________
3. who's_________ 4. they're_________
1. that's 2. who're 3, who is 4. they are
练习册系列答案
相关题目
题目内容
词形转换，学习本课常用縮写形式和完全形式
1. that is_________ 2. who are_________
3. who's_________ 4. they're_________
1. that's 2. who're 3, who is 4. they are