________ we had read your letter _____the true state of affairs.
| A．It was until… that we understood | B．It was not until…that we understood |
| C．Until …did not we understand | D．Not until… we understood` |
They were put in prison for the government building.
| A．building up | B．setting up |
| C．blowing up | D．making up |
Most students for Jim as they thought him active and honest.
| A．voted | B．turned |
| C．worked | D．thought |
Using many symbols makes to put much information on a single map.
| A．possible | B．it possible |
| C．that possible | D．it is possible |
In a modern society full of fierce competition , a person does is not always the same as he says.
| A．what; what | B．what ;that |
| C．that; that | D．that ; what |
—I am sorry.I have left my credit card home.And I don’t have enough cash for the meal.
—Don’t worry. .
| A．I’ll invite you |
| B．It’s my pleasure to pay you |
| C．It’s my treat |
| D．It’s at your expense |