一、选择填空（共15小题，每小题1分，满分15分）
从题中所给的A、B、C和D四个选项中，选出一个最佳选项。
1. —Shall we take a walk after dinner?
A. I think so B. You are welcome
C. That’s a good idea D. You are right
2. —Can I help you?
—___________
A. Sure. B. Yes, please. C. Sounds good. D. Thanks.
