Ⅰ. 单项选择 从各题的四个选项中选出一个最佳答案。（共20分，每小题1分）
1. I think you have dropped _________ “r” in writing “merry”.
A. an B. a C. the D. x
2. ---What _______ do you have for Daniel? --- I think he should study harder than bef ore.
A. news B. advice C. help D. information
3. --- Could you be so kind as to close the window? ---______________.
A. With pleasure B. Go ahead C. Yes, please D. That's OK
4. ---Do you know the boy________ is sitting next to Peter?
---Yes. He is Peter's friend. They are celebrating his ________ birthday.
A. who; ninth B. that; nineth C. /; nineth D. which; ninth
