—How long can I keep the books? —_____
| A．Three. | B．Three times. |
| C．Three days. | D．Very often. |
I had a hard time _________ where the post office is.
| A．finding | B．found |
| C．finds | D．to find |
—You are Jim’s sister, aren’t you?
—_________.
| A．No, I am | B．Yes, I’m not |
| C．Yes, I am | D．Yes, you are |
I don’t know when he _________ tomorrow. If he _________, I’ll let you know.
| A．comes, comes | B．will come, comes |
| C．comes, will come | D．came, will come |
He won’t join in the party. I won’t, _________.
| A．yet | B．either | C．also | D．too |
The price of this bicycle is quite _________. I don’t have enough money to buy it.
| A．low | B．rich | C．high | D．expensive |