题目内容
9. (2011 广东广州，17, ★☆☆ ) they are very tired, they feel happy because theyVe finally finished their pro?ject.
A. So B. Although C. If D. But
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9. (2011 广东广州，17, ★☆☆ ) they are very tired, they feel happy because theyVe finally finished their pro?ject.
A. So B. Although C. If D. But