﹣Thanks for cleaning the room，boy．
﹣ ．In fact，it's my to do so．（ ）
A．Not at all，dutyB．All right，work
C．OK，job
The mobile phone sells for ¥ 5，000，it is much more than its real ．（ ）
A．costB．valueC．price
It's time for class，but the bell didn't ．（ ）
A．go onB．go offC．go through
The girl got the only chance to study abroad． proud her parents felt!（ ）
A．HowB．WhatC．What a
Tourists because of their impolite behavior in our country from now on．（ ）
A．will punishB．will be punished
C．is punishing