根据要求变换词型
1. invent(名词) 2. use(形容词)
3.student(同义词) 4. send(过去分词)
5. safe(名词) 6. noisy(副词)
7. own(名词) 8. health(副词)
根据要求变换词型
1. invent(名词) 2. use(形容词)
3.student(同义词) 4. send(过去分词)
5. safe(名词) 6. noisy(副词)
7. own(名词) 8. health(副词)
1. inventor(invention) 2. useful
3. pupil 4. sent 5. safety
6. noisily 7. owner 8. healthily