根据短文选择正确的答案：I'm a student .My name is Peter.I'm ten .I'm in

根据短文选择正确的答案：
I'm a student .My name is Peter.I'm ten .I'm in Class one,Grade Six.Betty is my classmate.She's eleven.We're from America.
( )1.How old is Peter?He's______.
A.11 B.10 C.9
( )2.Is Betty in_________?Yes,she is.
A,Class 4,Grade 1 B.Class 1,Grade 6
C.Grade 1,Class 4 D.Class four,Grade one
( )3.Betty is__________.
A.eleven B.ten C.students D.classmates
( )4.Peter and Betty are______________.
A.boy B.girls C.students D.classmates
( )5.Peter is from__________.
A.Xinjing B.Canada C.America D.Japan