选出下面每组中不属于同一类的单词.(5分)
（1）A.daddy B.bear C.mummy
（2）A.sister B.brother C.happy
（3）A.mouse B.zero C.six
（4）A.I B.teacher C.you
（5）A.tiger B.monkey C.baby
当你想问别人有多少本书时，你应该说：
A. How many books do you have? B. Do you have any books?
当你想向你的奶奶介绍你的朋友Amy时，你应该说：
A. This is my grandma.B. This is Amy.
别人帮你的忙，你应该说:
A. You are welcome. B. Thank you very much .
-Have some pears.-
A.Here you are. B. Thank you very much. C. You are welcome.
-Who’s that girl?-
A.She is my sister. B. She is tall. C. She is beautiful.