1. his 改为 her 2. sold 改为 sell 3. instead 改为 instead of 4. hand 改为 a hand
5. lesson 改为 lessons 6. carefully 改为 careful 7. a-the 8. used 改为 it used 9. on 改为 in
10. 去掉 be
1. his 改为 her 2. sold 改为 sell 3. instead 改为 instead of 4. hand 改为 a hand
5. lesson 改为 lessons 6. carefully 改为 careful 7. a-the 8. used 改为 it used 9. on 改为 in
10. 去掉 be