—Bruce，I really appreciate your handwriting.
—________.
| A．I practice every day | B．Thank you very much |
| C．No, I don’t think so | D．Well，it’s not good enough |
There is no doubt that he is a good professor__________he is doing fine.
| A．but | B．because | C．so | D．yet |
__________ there are a large number of chemical factories，the air is likely to be polluted.
| A．That | B．Where | C．Once | D．As |
_________，this kind of disease can do great harm to people there.
| A．Occurring where |
| B．It occurs where it is |
| C．Where does it occur |
| D．Wherever it occurs |
I’m willing to lend you a hand__________busy I’m for the moment.
| A．because | B．but that | C．but | D．however |
—__________you like the car so much，why not drive it back?
—Well，I can’t afford__________car.
| A．Now that; that big a |
| B．If; such big a |
| C．When; so a big |
| D．So long as; that a big |