Now more and more people are trying _____ using plastic bags, wooden chopsticks and napkins to protect the environment.
| A．stop | B．to stop | C．stopping | D．Stopped |
－Is this an orange?－Yes, ___________.
| A．it’s | B．its not | C．it is | D．is it |
－How do you spell ring? －___________.
| A．It’s a ring | B．r－i－N－g | C．R－I－N－G | D．a ring |
－What color is it ?
－_______
| A．It's a red. | B．It's an orange |
| C．It's an eraser | D． It's blue |
－Good morning, Miss Yang. How are you?
－Fine, thank you. And you? ----I’m fine,________.
| A．to | B．too | C．and | D．OK |
---Thank you very much. ---______________
| A．All right. | B．Right. |
| C．That’s right. | D．You’re welcome. |