（Ann and Bob are talking in the classroom.Bob=B Ann=A）
B：Hello，Ann.What are you doing now？
A：I am cleaning our classroom. （1）

B

B

B：Oh，I see.May I help you？
A：Let me see.（2）

E

E

It's so heavy.
B：Sure.Our classmates always make a lot of rubbish every day.
A：But to my joy，most of our classmates learn to sort（分类）the rubbish.
B：Yes.Do you often help your parents do housework at home？
A：No.（3）

G

G

B：Oh.Sometimes doing housework can help us relax.If we are free，we can do that.
A：（4）

A

A

I can't move the desk.Can you help me？
B：Of course.
A：It's very kind of you.（5）

C

C

A.Yes，you are right.
B.I am on duty（值日）today.
C.Thank you very much.
D.What do you hope to do in the future？
E.Can you take the rubbish out of the classroom？
F.Why do you want to become a teacher like him？
G.They think it's important to spend all my time studying.