It will be many years ______ the doctors and medical scientists can find _____ for cancer.
| A．since; cures | B．when; treatments |
| C．before; cures | D．until; treaments |
He is better than _______ I last visited him.
| A．when | B．that |
| C．how | D．which |
Why do you want a new job ____ you’ve got such a good one already?
| A．that | B．where |
| C．which | D．when |
Don’t play by the river _______ you fall in and drown!
| A．in case | B．so that |
| C．in order that | D．when |
I thought she was the very girl that I should marry _______ I met her.
| A．first time | B．for the first time |
| C．the first time | D．by the first time |
. ____ you’re got a chance, you might as well make full use of it.
| A．Now that | B．After |
| C．Although | D．As soon as |