| 用所给词组的适当形式填空. | |
| |
| 1. Mary _______ Erin's sister. 2. They _______carrots. 3. She was playing something I don't know. It _______ Beethoven. 4. What's this in my pocket? It _______ a nut. 5. What's it? It _______ a bad egg. |
| 用所给词组的适当形式填空. | |
| |
| 1. Mary _______ Erin's sister. 2. They _______carrots. 3. She was playing something I don't know. It _______ Beethoven. 4. What's this in my pocket? It _______ a nut. 5. What's it? It _______ a bad egg. |