用所给词的适当形式填空。 |
1. When the car (invent)? 2. What do you think (be ) the most helpful invention? 3. A stranger was seen (go) into the teacher's office by the girl. 4. Knocking into players and falling down would be . (danger) 5. I am (save) my money so I can buy a new bicycle. 6. (be) a volunteer is great. 7. I fix up bikes and give (they)away to children. 8. I love places where the people are really (friend) 9. I love singers (whom) write their own music. 10. Teenagers should (allow) to choose their own clothes. |