— Can I help you?
—______
| A．Yes, please. I want a hat. | B．You’re welcome. |
| C．I’m fine. Thanks. | D．Here you are. |
— What’s the ________ of the book?
— 5 dollars.
| A．time | B．price | C．date | D．color |
Grace doesn’t like math because she thinks it is ________.
| A．difficult | B．fun |
| C．useful | D．interesting |
— Let’s go to Lihua Clothes Store.
— OK. They sell all the clothes ____ very good prices.
| A．at | B．in | C．of | D．about |
— ________ do you like history?
— Because it is interesting.
| A．When | B．How | C．Where | D．Why |