情景交际。 |
1. —Is this_____book? —Yes. _____ my book. And this _____ your pen. 2. —Excuse me. _____ this your ball? —_____, it's not _____ ball. I think it's his ball. 3. —Look! This is my ruler. —It_____nice. 4.—_____ this? —It's a pencil. —_____ do you spell it? |