大学英语复习备考题库词汇与语法知识练习一1. The workers have built a lot of new houses in Shanghai.A. in the past ten yearsB. for ten yearsC. last yearD. ten years ago2. Mother was out. I look after my little brother.A. have toB. mustntC. need D. had to3. I met a friend ofyesterday.A. Dicks motherB. Dick mother C. Dick mothers D. Dicks mothers4. If you need any money, Ill lend you.A. oneB. it C. those D. some5. The populatio