What would have happened, ______, as far as the river bank?
| A．Edward Snowden had walked farther |
| B．if Edward Snowden should walk farther |
| C．had Edward Snowden walked farther |
| D．if Edward Snowden walked farther |
I was trying to sound __________ even when I was very nervous while I was making the speech.
| A．active | B．fluent |
| C．calm | D．peaceful |
—Who's the man talking to our teacher?
—A professor __________ a visit to our school.
| A．pays | B．is paying |
| C．has paid | D．paying |
Many people __________ death in the earthquake as a result of the delay of the food supplies.
| A．was starved to | B．starved to |
| C．were starved of | D．starved for |
In some cases, different approaches __________ the same scientific problem lead to the conflicting theory.
| A．to | B．of |
| C．in | D．for |
A notice was __________ in order to remind the students of the changed lecture time.
| A．sent up | B．given up |
| C．set up | D．put up |