____________ the situation, Charles Yerkes undertook ____________ the system in 1902 by obtaining ownership of many different lines.
| A．Seeing, improving | B．Seen , improved |
| C．To see, to improve | D．Having seen, improving |
---Do you mind my opening the window?
----______I feel a bit cold.
| A．Of course not. | B．I would rather you didn’t. |
| C．Go ahead . | D．Why not? |
--- Are you _____with doing a lot of homework everyday?
--- Sometimes I am. But as a student , we have to do so at present.
| A．satisfied | B．encouraged |
| C．bored | D．pleased |
--- Have you got the results of the final exam?
--- Not yet. It will be a few days _________ we know the full results,
| A．before | B．after | C．until | D．when |
Some of the members demanded to know why they had been keptthe true facts until they reached the present critical stage.
| A．in view of | B．in honor of |
| C．in place of | D．in ignorance of |
—How much did the guy ______ you to fix your bicycle?
--- I don’t remember,but it was quite a lot.
| A．cost | B．spend | C．charge | D．take |