选择正确的物主代词填空。
1.His exercise-book is new,but______ (my,mine)is old.
2.This book is ______ (your,yours),not ______ (her,hers).
3.______ (Our,Ours)classroom is clean,but ______ (their, theirs)is much cleaner than ______ (our,ours).
4.We each have a new book.______ (Your,Yours)is about science. ______ (My,Mine)is about the history of______ (our,ours)Party.
5.I have lost ______ (my,mine)ruler.May I borrow______ (your,yours)?
6.The students put down ______ (theirs,their)pens and listened to the teacher.
7.Look at that dog.______ (It's,Its)front legs are shorter than ______ (its,it's)back legs.
8.I like ______ (her,hers)coat and don't like______ (his,her).
9.These are ______ (our,ours)seats.______ (their,theirs)are over there.
10.______ (Your,Yours)classroom is upstairs and ______ (their, theirs)classroom is downstairs.
参考答案：
1.mine 2.yours,hers 3.Our,theirs,ours 4.Yours,Mine,our
5.my,yours 6.their 7.Its,its 8.her,his 9.our,Theirs 10.Your,their
