I’m so ______ to all those volunteers because they helped my terrible day end happily.
| A．special | B．superior |
| C．grateful | D．attractive |
_____is widely known that you value more what you haven’t rather than what you have .
| A．As | B．What | C．It | D．Which |
I think you’ve got to the point where a change is needed , _____, you’ll fail .
| A．however | B．therefore | C．otherwise | D．besides |
On his way home yesterday , Tom was hit on the head_____he had time to realize what was happening .
| A．since | B．before | C．when | D．until |
While the ship was sinking very fast , the captain didn’t want to_____the ship .
| A．escape | B．abandon | C．resist | D．prevent |
Most of the developing countries are faced with lots of troubles , _____the financial problem is not the worst .
| A．which | B．with which | C．that | D．of which |