He spared no efforts to make himself _______ but failed.
| A．understand | B．understanding | C．understood | D．to understand |
Some insects ___ the colour of their surroundings to protect themselves.
| A．take in |
| B．take off |
| C．take on |
| D．take out |
You had better ___ some time every day for sports so that you can keep your energetic.
| A．set aside |
| B．take up |
| C．take on |
| D．take out |
My first ___ of him was that he was a kind and thoughtful young man.
| A．expression |
| B．attention |
| C．satisfaction |
| D．impression |
The villagers have already known ___ we’ll do is to rebuild the bridge.
| A．this |
| B．that |
| C．what |
| D．which |
___ Barbara Jones offers to her fans is honesty and happiness.
| A．Which |
| B．What |
| C．That |
| D．Whom |