4.Tom:Hello!May i speak to Betty,
please?
Betty:speaking.
Tom:Hi!Betty.this is tom.Can you go to the
post office with me now?
Betty:sorry,i am afraid not.I am very busy.
Tom: what are you doing now?
Betty:I am helping my mother cook rice.
Tom:can you go with me later?
Betty: Yes ,I can.
Tom:Goodbye,Betty.
Betty:bye-bye.Tom.
5.Mary:Ben,can you help me,please?
Ben:What’s the matter?
Mary:My bike doesn’t work,can you mend it?
Ben: I am sorry,I can’t.Tom is coming,Tom!
Tom:yes?
Ben:Mar
y’s bike doesn’t work.Can you
mend it?
Tom: ok!Let me have a look Oh,it is easy.It is OK now.
Mary:Great! Thanks a lot.
Tom: That is my pleasure!
6.T: What a beautiful park! I like it.Look!There are many
flowers and green trees everywhere.
A:You mustn’t walk on the grass,tom.
T:On,I am sorry.Can I
sit on the grass?
A:No,You mustn’t.You must sit on the chair under the tree.
T:Can I go in that house?
A:no,you can not.It is a pandas’
house.you mustn’t go in it.
T:can i ride my bike here?
A:No,you can’t.You mustn’t ride a bike here,you must
walk on foot.
T:so what else can i do?
