____ students have graduated from this school in the last twenty years.
| A．Tens of thousands of | B．Tens upon thousands of |
| C．Tens in thousands | D．Ten thousands of |
The young couple had a quarrel last night and neither of them would give in to ______.
| A．the other | B．another | C．one | D．either |
In the rice-growing world, ______ Chinese scientist, Yuan Longping, is ______ leading figure.
| A．a; the | B．the; a | C．a; a | D．the; the |
You are well prepared for the job interview, ______ there’s no need for you to get so nervous.
| A．or | B．while | C．but | D．so |
---Shall we open the window to let some fresh air in?
---_________. I’m feeling a little cold.
| A．No, I would rather not. | B．Sure, go ahead please. |
| C．Sorry, you’d better not. | D．Yes, that couldn’t be better. |
–Thank you for picking me up from the supermarket!
– _________.
| A．With pleasure | B．None of your business |
| C．There’s nothing in it | D．Think nothing of it |