On April 24, Tsinghua University its 100th anniversary at the Great Hall of the People in Beijing.
| A．congratulated | B．challenged | C．celebrated | D．participated |
Our house is very________ for the shops. (2012 .福建福州模拟)
| A．convenient |
| B．suitable |
| C．sufficient |
| D．continuous |
---The summer vacation is coming near. Are you going home for the holiday?
---I haven't decided yet. I ________ go home,but it all depends.
| A．need |
| B．will |
| C．must |
| D．may |
In 1990 , ________Belgian inventor by ________ name of Bakelite invented the first of the modern plastics.
| A．a; a |
| B．a; the |
| C．the; a |
| D．the;\ |
— How far can you run without stopping?
— ________. I’ve never tried.
| A．Don’t mention it |
| B．That’s all right |
| C．I have no idea |
| D．Go ahead |
――Have you paid? What’s my share of the bill?
――_______. It wasn’t very much.(2012 .江西)
| A．Don't worry about it |
| B．It’s my share |
| C．None of your business. |
| D．It's up to you |