Doing morning exercises _______ our health and we _______ it．
| A．benefits to; benefit | B．benefits; benefit from |
| C．benefits from; benefit | D．benefits; are benefited by |
They decided to chase the cow away _____ it did more damage.
| A．unless | B．until | C．before | D．although |
We often think of the days _____ we spent together on the island.
| A．when | B．which | C．in which | D．during which |
After supper she would sit down by the fire，sometimes for _____ an hour，thinking of her young and happy days．
| A．as long as | B．as soon as | C．as much as | D．as many as |
_____ they reached the center of the city, they stopped the car at a bar.
| A．Before a mile or so when | B．For a mile or so after |
| C．Farther than a mile or so | D．A mile or so before |
Mr. Mason, who holds the office of chairman, has _____ heavy a work load that it is difficult for him to travel.
| A．such | B．so | C．quite | D．much |