--The room is so dirty.____ we clean it?
---Of course.
| A．Will | B．Shall | C．Would | D．Do |
——How much do I owe you for lunch?
——______. It’s nothing.
| A．You’re welcome | B．Forget it | C．With pleasure | D．That’s right |
It was along the Mississippi River _______ Mark Twain spent much of his childhood.
| A．how | B．which | C．that | D．where |
The meal over, the managers went back to the meeting room totheir discussion.
| A． | put away | B． | take down | C． | look over | D． | carry on |
She ______ have left school, for her bike is still here.
| A．can’t | B．wouldn’t | C．shouldn’t | D．needn’t |
To know more about the British Museum, you can use the Internet to go to the library, or _______.
| A．neither | B．some | C．all | D．both |