第二节语法和词汇知识（共15小题，每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的选项，并在答题卡上将该项涂黑。
6. Only through ____talks can we build trust and only through cooperation can create ____ win-win economic situation.
A. \ ; a B. the ; the C. \ ; the D. the ;a
7. — Go and see who is making so much noise.
— ____ the children.
A. There are B. They are C. That is D. It is
