1.（选择题）______is that behind Susan?It‘s a cat.

选择题:Who is that behind( )?-----It's ( ).A.she,he B.her,his C ______is that book?It's his. What 's that?______is a book .A.What B.These C.That D.It who's singing over there?______is Sandy's sister.A That B It I have a pet. _name is mimi._a cat.（选择题） A、Its,It’s B、It’s , 1.what s that?(改为复数) 2.it s a cat (改为复数) 3. it is a great pity that susan has to leave .how nice it if s Whose scarf is that?It's___.A.the cat B.the cats C.the cat's what's that over there?It's a cat,I think.Perhaps it's Li pi it's a small patch that you wear behind your ear for about a 选择题______is your uncle?He ' s a driver.A.What B.Where CWho .______is that?That’s my cousin.A.Who B.What C.Whose 怎样选择