—Is your name Fang Fang?
— .
| A．Yes，it is | B．No，I’m not | C．Yes，I am | D．No，it is |
Water is the cheapest drink. And it is also ______.
| A．healthier | B．healthiest |
| C．the healthier | D．the healthiest |
The teacher is already standing here. Do you know when she ______?
| A．comes | B．came |
| C．is coming | D．was coming |
I’m busy now. I ______ to you after school this afternoon.
| A．talk | B．talked |
| C．will talk | D．have talked |
Eric arrived on time, ______ it was the rush hour.
| A．although | B．because |
| C．while | D．unless |
Someone ______ at the door. Can you open it?
| A．knocks | B．knocked |
| C．is knocking | D．was knocking |