选择正确的序号填入括号内.
问题描述：
选择正确的序号填入括号内.
1.This bird has broken____wing.
a.it's b.its' c.hers d.its
2.These grammar books are different.____has 278 pages,but___has only 275.
a.yours,mine b.yours,mine c.yours,my d.your,mine
答
1d 2a和b 一样的