找出每组中不同类的单词，将序号填到括号内。
( )（1）A.pink B.orange C.brown D.bike
( )（2）A.car B.bus C.taxi D.juice
( )（3）A.head B.bird C.panda D.cat
( )（4）A.arm B.ear C.grey D.face
( )（5）A.milk B.blue C.juice D.water
Can tigers really ______?
Yes, _______
A.swim; they can’t
B.swimming; they can
C.swim; they can
The giraffe is _____ than a tiger.
A. tall B. tallest C. taller
My birthday is ____ December.
A. in B. at C. on
Sarah is running ___ us.
A. at B. in C. to
Are they catching butterflies now?
A.Yes, they can. B.No, they aren’t. C.Yes, they aren’t.