选择与句中划线部分意思相同或相近的词或短语。
1. The boy is not old enough to go to school.
A. too old B. too young C. too small D. too big
2. – Please return the library book on time.
-- All right. I will.
A. keep B. borrow C. lend D. give back
3. The man was badly hurt. We must send him to the hospital right away.
A. at first B. at last C. at once D. at times
4. I was amazed at the scenery when I first visited Sanya.
A. surprised at B. interested in C. proud of D. pleased with
