Danny________ hard for long to realize his dream and now he is popular.
| A．works | B．is working | C．has worked | D．worked |
It's the second time that I __________ in Beijing. What great changes! It's years since I __________ here last time.
| A．went; had left | B．have been; left |
| C．had been; left | D．have been; had left |
My cousin graduated from a normal university ten years ago and __________ as a teacher ever since.
| A．has worked | B．works |
| C．worked | D．had worked |
He asked __________ for the violin.
| A．did I pay how much | B．I paid how much |
| C．how much did I pay | D．how much I paid |
To get a better grade, you should __________ the notes again before
the test.
| A．go over | B．get over |
| C．turn over | D．take over |
The World Expo is like __________ great stage for cultural exchange, bringing people into closer contact with __________ rest of the world.
| A．a; / | B．the; / |
| C．a; the | D．the; the |