精选优质文档-倾情为你奉上Unit 4 单元测试题I. 词汇测试。（15分） i. 从下面每小题的 A、B、C三个选项中选出可以替换划线部分的最佳选项。( ) 1. Friends should often keep in touch with each other, and then they will know what they are doing.A. help B. stay in touch with C. be worried about（ ）2. It took this small village five years to develop into a small town.A. turn B. fall C. grow( ) 3. I began to study English when I was six years old.A. started B. went C. came( ) 4. He went to the museum instead of the c
