—Be careful not to drop the Ming Dynasty vase.
—Yes, we can’t be ________.
| A．too careful | B．very careful | C．too careless | D．careless enough |
In my opinion , the thief is likely to come , please look _____ for him .
| A．up | B．after | C．out | D．down |
When I graduate from this famous university, I’ll _______ what I have learned to everyday life.
| A．use | B．apply | C．devote | D．stick |
By the time he realizes he__ into a trap, it’ll be too late for him to do anything about it.
| A．walks | B．walked | C．has walked | D．had walked |
------Can those_____ at the back of t
he classroom hear me?
------- No problem.
| A．seat | B．sitted | C．seated | D．sat |
Teenagers _____ their health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |