阅读理解：
Sam and Pat are brothers. They are twins. They are in the same class. Sam works harder and studies better than his brother Pat. One day, the teacher asks the class to write a composition(作文). The name of it is “My mother”. Sam writes the composition and wants to give it to the teacher, but Pat says,“Sam, let me have a look.” Pat reads it and copies(抄) it.
The next day, the teacher asks Pat, “Why is your composition the same as (和…一样)Sam’s, Pat?”        “You know we have the same mother.”
(   ) （1）Sam and Pat are _________.
A.friends      B .classmates       C.twins       D. B&C
(   ) （2）Pat asks Sam to _________.
A.copy his composition
B .help him write the composition
C.give his composition to him
D. look at his composition
(   ) （3）The two brothers _____________ to the teacher.
A.together give one composition
B.give their own composition
C.each give a composition
D.don’t give any composition
(   ) （4）Pat’s answer to the teacher’s question is ___________.
A.nice      B .funny      C.OK      D.a good one
(   ) （5）Who studies better?
A .Sam.     B .Pat .     C. A&B.     D. We don’t know.