选择句子完成对话。(（1）0分)
（1）—Mum，this is my friend，Peter.
—________________________________________________________________________
（2）—Where are you from?
—________________________________________________________________________
（3）—Are your family in China now?
—________________________________________________________________________
（4）—What's your father?
—________________________________________________________________________
（5）—What's your mother?
—________________________________________________________________________
I want to buy ________trousers.
A．a B．a pair of C．an
—Can you show ________ the cake?
—Sure.Here you are.
A．I B．me C．my
We have________．
A．two hundred yuan B．two hundred yuans C．two hundreds yuan
补全对话。(30分)
A：Can I help you?
B：I want （1）____sandals.
A：What about this pair?
B：Can I （2）____？
A：Sure.
B：They are （3）____．Can you show me that pair?
A：Yes. （4）____．
B：They are OK. （5）____are they?
A：They are 160 yuan.
B：I will take them.
A：Thank you.
There________ a pen and two books on the desk.
A．are B．is C．aren't