Tom was wild with joy _____the result of the exam.
| A．to | B．as | C．at | D．by |
I told her we weren’t going to be friends any more because she couldn’t ________ .
| A．keep her word | B．have her word |
| C．keep her words | D．have her words |
The world’s population has grown by ______ it was in 1800.
| A．more than six times that | B．six times more than that |
| C．more than six times what | D．six times as many as |
He failed in the driving test again. He_______.
| A．must have disappointed | B．must have been disappointed |
| C．might be disappointed | D．couldn’t be disappointed |
In his first speech as victor, Obama said, “There are many who won’t agree with every decision or policy I make as ________ president, and we know that government can’t solve every problem. But I will always be honest with you about ________ challenges we face.”
| A．a; / | B．the; the | C．/; the | D．the; / |
To keep healthy, most retired people _______ jogging as a regular form of exercise.
| A．take up | B．take on | C．give up | D．hold out |