---Would you mind giving your advice on how to improve our business management?
---If you make ______ most of the equipment, there will be ______ rise in production．
| A．/; / | B．the; a | C．/；a | D．the; / |
He didn’t make ____ clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
________ to sunlight for too much time will do harm to one's skin.
| A．Exposed | B．Having exposed |
| C．Being exposed | D．After being exposed |
This medicine will ____ him of his cough.
| A．recover | B．cure | C．treat | D．heal |
He didn’t make clear when and where the meeting would be held.
A. this B. that C. it D these
I just wonder that makes him so excited.
| A．why it does | B．what he does | C．how it is | D．what it is |