As you can see，the number of cars on our roads________rising these days.
| A．was keeping | B．keep | C．keeps | D．were keeping |
Why not stay at home ______ the road is so slippery after the heavy snow?
| A．in case | B．as long as |
| C．now that | D．even if |
Maybe if I _______ literature, but not science then, I would be able to give you more advice now.
| A．studied | B．would study |
| C．had studied | D．was studying |
The river, ________ the banks are covered with trees，is very long.
| A．whose | B．which | C．of which | D．which of |
After a thorough search, the rescue team finally brought the mountain climber back, ______.
| A．safe and sound | B．safely and sound |
| C．safe and soundly | D．safely and soundly |
The environmentalist said: “Making money is blameless, but I can't ________ to unnecessary killing of wild animals for that purpose.”
| A．subscribe | B．tend | C．oppose | D．suggest |