第三部分词汇知识运用（共二节，满分35分）
第一节 单项选择（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最佳选项，并在答题卡上将该项涂黑。
21. Though he is ______ orphan, he is leading ______ happy life.
A. an; the B. an; / C. /; a D. an; a
22. While looking for a book, I ______ this old photo taken in college.
A. came into B. came across C. came up D. came out
23. The milk along with eggs ______ from the farm nearby.
A. was delivered B. was delivering C. were delivering D. were delivered
24.— Jenny, let’s go to the party tonight.
— ______ I have a lot of homework to do.
A. Good idea. B. Why not? C. I think so. D. I’m sorry.
25. I’m sorry to ______ you so late, but my car has broken down and I was wondering if I could stay in your house for the night.
