— I’d like to buy the new style of computer here, would you please tell me something more about your product?
---_______________.
| A．Thank you | B．At your service |
| C．You are welcome | D．It’s a pleasure |
The idea puzzled me so much that I stopped for a few seconds to try to _______.
| A．make it out | B．make it off | C．make it up | D．make it over |
----Will you be ____ this afternoon , John?
----It depends. I’ m afraid I’ll be called in by my boss.
| A．suitable | B．available | C．accurate | D．convenient |
Sarah had her purse stolen the day before yesterday when she was knocking about in a park, ______________?
| A．wasn’t she | B．weren’t they | C．hadn’t she | D．didn’t they |
He doubted, as did his family, ______________you were telling the truth.
| A．what | B．that | C．whether | D．when |
He tried to avoid making mistakes, but the added pressure caused him to make more than his usual______________.
| A．size | B．space | C．share | D．state |