Jack almost fell off the cliff, but managed to _____ until help came.
| A．keep on | B．catch on | C．count on | D．hang on |
The murderer, who was _____ to death by the judge last week, was only 20 years old.
| A．made | B．caused |
| C．killed | D．sentenced |
The black hero fought all his life to make black and white people _____.
| A．fair | B．same | C．equal | D．legal |
Only _____ people can have a good understanding of the lecture given by the scientist.
| A．educated | B．devoted | C．concerned | D．relaxed |
The politician was deeply hurt when many of his former supporters voted _____ him, and he lost his place in the government.
| A．for | B．to | C．against | D．at |
The kind lady devoted all her life to _____ those homeless children.
| A．help | B．helping | C．be helping | D．being helped |