After several sleepless nights, Mr. Smith ______ a perfect solution to the financial problems of his company.
| A．kept up with | B．put up with | C．came up with | D．ended up with |
I've always smoked, but I'm trying to __________.
| A．burn down | B．break down |
| C．set down | D．cut down |
Anything __________ could be found has been used to repair the damaged bridge.
| A．which | B．that |
| C．what | D．不填 |
If the way __________ you think of is not good enough, you can learn the way __________ the top students deal with their study.
| A．in which; / | B．which; which |
| C．that; which | D．/；/ |
The doctor did __________ he can __________ the boy.
| A．everything what; save | B．everything that; save |
| C．all; to save | D．all; save |
I'll never forget the day __________ we worked together.
| A．when | B．which |
| C．that | D．where |