______ everybody knows about it, I don’t want to talk any more.
| A．For | B．Even | C．Since | D．However |
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 |
As Susan stared at ______ piles of plastic in her recycling bin, ______ strong sense of responsibility made her stick to her recycling work．
| A．不填；不填 | B．不填; a |
| C．the ; a | D．the; the |
第二部分：知识运用（共两节，45分）
第一节：单项填空（共15小题；每小题1分，共15分）
从每题所给的A、B、c、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
It's so nice to hear from her again．______, we last met more than thirty years ago．
A．What's more B．That's to say
C．In other words D．Believe it or not