_____ with so much trouble，we failed to complete the task on time．
| A．Faced | B．Face |
| C．Facing | D．To face |
I would appreciate ________ if you could teach me how to use the computer.
| A．that | B．this | C．it | D．you |
— Could you introduce to me a high quality English dictionary for high school students?
— Sure. _______ well for several years, this kind of dictionary is very popular.
| A．Selling | B．To sell | C．Sold | D．Being sold |
We all hold _____ belief that those who have ____wonderful sense of humor are more popular.
| A．a, the | B．/, a | C．the, / | D．the, a |
. —We have booked a room for today and tomorrow.
— _________, sir.
| A．I’ll check | B．My pleasure | C．I’m sure | D．It’s all right |
It was rude _____ you to stare at the foreigner when he passed by just now.
| A．of | B．for | C．with | D．to |