—Did you reach the top of the mountain?
—Yes. Even I myself didn’t believe I could______ it.
| A．work | B．climb | C．get | D．make |
Why are you so anxious? It isn't your problem __________.
| A．on purpose | B．in all |
| C．on time | D．after all |
A man is being questioned on the __________ murder last night.
| A．advised | B．attended |
| C．attempted | D．admitted |
—Has Mary come back yet?
—Yes. She has got many books from her elder schoolmates, which __________ 1，000.
| A．add up | B．add up to |
| C．add to | D．add |
What do you think of his suggestion __________ we organize a football club?
| A．which | B．whether |
| C．that | D．what |
The students __________ in character are quite similar in their interests.
| A．differ | B．different |
| C．difference | D．who is different |