把下列句子变为相应的复数或单数。 |
1. This is a red bus. _______________________________________. 2. I'm a good teacher. _______________________________________. 3. Is that an orange? ______________________________________? 4. Where are their skirts? ______________________________________? 5. Do they have some new bikes? ______________________________________? 6. The boy doesn't like its color. ______________________________________. |