题目

It may not rain, but you had better take an umbrella__________. A. in case     B. as well     C. as least     D. in need 答案：A 解析: in case意为“以防万一”；as well意为“也”；at least意为“至少”；in need意为“需要”。The old soldier often thinks of ______ he can do more for his country. A. what　 B. how　 C. that　 D. which