问题 改错题 单句改错。(每句均有一处错误)1. They are very happy at Christmas Eve.2. He put away his books, doesn't he?3. What's the weather like in Beijing last year?4. Let me to ask her to speak Chinese.5. You'd better not to be late for class.__________________________________________________ 答案 1. at →on2. doesn't→didn't3. What's→What was4. 去掉第一个to5. 去掉to