When the thief found the police had already _____him, he ran away quickly.
| A．realized | B．known | C．spotted | D．stared |
No matter how low you consider yourself, there is always someone______ you wishing they were that high.
| A．getting rid of | B．getting along with | C．looking up to | D．looking down upon |
Don’t give up regardless of difficulty and failure,______ you ‘ll never achieve your goals.
| A．and | B．but | C．or | D．so |
Steps must be taken ______this kind of disaster will never happen again.
| A．because | B．even if | C．as | D．so that |
Please keep me informed_______ the change of your address as soon as possible.
| A．of | B．for | C．with | D．by |
One of the most important questions they had to consider was _____of public health.
| A．what | B．this | C．that | D．which |