When Peter __________ the car door, he found the key left in his car. So he had to call for help.
| A．opened | B．was opening | C．was to open | D．had opened |
_____ you are alone at home, why don’t you go downtown with your friends?
| A．Even though | B．As though | C．So that | D．Now that |
He has _____ little education that he finds it impossible for him to be equal to ____ important a task.
| A．so, such | B．such, so | C．so, so | D．such, such |
There was plenty of time. She ____ to the station.
| A．shouldn’t hurry | B．couldn’t hurry |
| C．mustn’t have hurried | D．needn’t have hurried. |
The student had no choice but _____ his teacher ____ the mistake he had made.
| A．to apologize to , for | B．to apologize, for |
| C．apologizing for, to | D．to apologize for, for |
—Would you mind if I turned down the tape recorder a little?
—______.
| A．Yes, go on. | B．No, go ahead |
| C．No, I would rather you didn’t | D．Sorry, go ahead |