Engines are to machines _________ hearts are to animals.
| A．as | B．that | C．what | D．which |
Few people paid full attention to their health condition___they were seriously ill
| A．when |
| B．if |
| C．until |
| D．after |
Not until some students failed in the exam___how much time they had wasted
| A．didn’t they realize |
| B．did they realize |
| C．they didn’t realize |
| D．they realize |
It was not until dawn___their way out of the forest
| A．when they found |
| B．that they found |
| C．did they find |
| D．that they didn’t find |
Rose was born in Hong Kong but___in the USA,because her parents went there to work for some reason
| A．brought out |
| B．brought up |
| C．taken out |
| D．taken up |
The airport is about ten miles distant____the city
| A．toward |
| B．in |
| C．with |
| D．from |