高一英语书面测试（Units 21—23）

摘要

I.单项填空1. By the time he was ten, Edison had already built a chemistry lab of. A. himself B. him C. his own D. him own2. His uncle gave me on how to use the computer.A. an advice B. some advicesC. a piece of advices D. some advice3. After he finished doing his homework, he TV.A. went on watching B. kept on