按要求改写句子。 1. She often helps her sister with her English.(改为同义句) She often helps her sister ______ ______ English. 2. He decided to buy a new car.(同上) He decided ______ ______ a new car. 3. She is a woman teacher.(改为复数形式) They are ______ ______. 4. Please remember to bring it here.(改为同义句) ______ ______ to bring it here, please. 5. I went to bed after I finished my homework last night. (用not…until 改写句子) I _____ to bed _____ I finished my homework last night.