What would have happened ________，as far as up to the river bank.
| A．Bob had walked farther |
| B．if Bob should walk farther |
| C．had Bob walked farther |
| D．if Bob walked farther |
- Do you know what made her so sad?
-______the final exam.
| A．Failing |
| B．To fail |
| C．Failed |
| D．Fails |
- I haven’t seen Jack these days.
- Er, I saw him ______ basketball on the playground this morning.
| A．playing |
| B．plays |
| C．to play |
| D．played |
Most young people preferred ______ with people of their own age to ______ with their parents.
| A．living; live |
| B．live; living |
| C．to live; living |
| D．living; living |
Even though Joseph’s the best choice to go there, I just can’t imagine ______ without him.
| A．working |
| B．to work |
| C．worked |
| D．having worked |
We were ______ at his sudden decision of resignation from the Board of Directors.
| A．astonished |
| B．satisfied |
| C．concerned |
| D．entertained |