________ in Tibet for ten years, he has been accustomed to the life and the climate there.
| A．He has worked | B．Having worked |
| C．He has been working | D．Working |
_____ from the table, he made a suggestion that we _____some money for those who suffered a great loss in the terrible earthquakes.
| A．Upon rising; raised | B．On raising; raised |
| C．Upon rising; raise | D．On raising; rise |
You never imagine what trouble I have _________this paper in my house.
| A．finding | B．to find | C．found | D．for finding |
— English has a large vocabulary, hasn’t it?
—Yes. ____ more words and expressions, and you will find it easier to read and communicate.
| A．Known | B．Knowing | C．To know | D．Know |
Only that factory ______ yesterday ______this kind of machine.
| A．we visited; produces | B．did we visit; dose it produce |
| C．we visited; does it produce | D．did we visit; produces |
—You haven’t lost the ticket, have you?
—______. I know it’s not easy to get another one at the moment.
| A．I hope so | B．Yes, I have | C．I hope not | D．Yes, I’m afraid so |