用所给单词的适当形式填空 |
1. Tom and I____ (be) brothers. 2. Those____(be) my grandparents. 3. What____(be) these? 4. ____ ( this) are my friends Li Lei and Lin Tao. 5. Those are my____(key). 6. Are these your____(book)? 7. That's____(he) brother. 8. (be) you Mary? |