_____, experts point out that students can easily fail at starting their business because of a lack of preparations.
| A．But | B．However | C．while | D．though |
It has been announced that students _______ remain in their seats until all the papers have been collected.
| A．can | B．may | C．will | D．shall |
The reason ______ the essay（作文） of the Anhui edition of the 2012 National College Entrance Exam is voted the worst is _______ it makes test-takers at a total loss.
| A．why; because | B．that; that | C．that; because | D．why; that |
--- Hi, Tom. Any idea where Jane is?
--- She _________ in the classroom. I saw her there just now.
| A．shall be | B．should have been | C．must be | D．might have been |
The house rent is expensive. I’ve got about half the space I had three years ago and I’m paying ______ now.
| A．as three times much | B．as much three times |
| C．much as three times | D．three times as much |
—Shall I give you a ride as you live so far away?
—Thank you，________.
| A．it couldn’t be better | B．of course you can |
| C．if you like | D．it’s up to you |