第二部分英语知识运用共二节(满分45分)
第一节从A、B、C、D四个选项中选出可填入空白的最佳选项,并在答题卡上将该项涂黑(共15分)
21. — Is Mr. Smith rich?
— Yes, very rich. When he worked in _____town, he earned a lot. Now he has a big farm in _____country.
A.at; the B. /; / C. /; the D. the; /