Once a student is caught in the exam, he will be severely punished.
| A．to be cheating | B．to cheat |
| C．cheating | D．cheated |
You can’t borrow books from the school library ______ you get your student card.
| A．before | B．if | C．while | D．as |
A small plane crashed into a hillside five miles east of the city, _____all four people on board.
| A．killed | B．killing | C．kills | D．to kill |
Sally’s never seen a play in the Shanghai Grand Theatre, _______?
| A．hasn’t she | B．has she | C．isn’t she | D．is she |
The Great Wall is ____ tourist attraction that millions of people pour in every year. 
| A．so a well-known | B．a so well-known |
| C．such well-known | D．such a well-known |
It_____ have been Tom that parked the car here, as he is the only one with a car.
| A． | may | B． | can | C． | must | D． | should |