找出不同类的单词。
（ ）（1）A.first B. fifth C. fast
( ）（2）A.jump B. take C. run
（ ）（3）slowly B. hundred C. thousand
( ) （4）afraid B. excited C. happy
( ) （5）last B. first C. race
( ) The books are on the desk. Can you see________？
A. it B. they C. them
( ) The twins________new students________our class.
A. are; inB. is; in C. are; at
( ) ________are all in Class 3.
A. You, he and IB.I, you and heC. He, I and you
( ) Lily is a friend of________.
A. hers B. herC. She
( )—________.
—That’s Tom’s ruler.
A. Who’s Tom’s ruler? B. Whose ruler is it?C. What ruler is that?