________is helpful to our environment.
| A．Cutting down trees | B．To protect animals |
| C．Not riding in cars | D．Recycle paper |
What is he? He is __________.
| A．a doctor | B．a boy | C．good boy | D．English |
—Andy, are those your storybooks? —______________
| A．Yes, there are. | B．Yes, they are. |
| C．Yes, these are. | D．Yes, it is. |
Peter and I __________ in the same school.
| A．is | B．am | C．are | D．be |
_______you have a toy panda?
| A．Are | B．Does | C．Am | D．Do |
I have no brothers_______ sisters.
| A．and | B．but | C．or | D．no |