Living things are dying out quickly.Let’s ask____destroying the in the pastyears.
| A．what part people have been playing | B．people have played in |
| C．what part people have played in | D．people have been playing what part |
The actor still remembers the excitement in his class when a female classmate _____ for a key role in a Zhang Yimou film．
| A．is chosen | B．s chosen | C．chooses | D．chose |
What's your opinion of Mr．Li's request that we ______ spend half an hour reading English aloud every morning?
| A．would | B．should | C．must | D．could |
The United Nations are evaluating the damage caused in Haiti earthquake, while in Chile the government itself ______ the lead role．
| A．is taking | B．was taking | C．took | D．had taken |
Put yourself in situations where you're forced to communicate in English, ______ you'll see more progress over time．
| A．until | B．or | C．but | D．and |
Tom's mother kept telling him that he should work harder, but ______didn't help．
| A．he | B．which | C．it | D．one |