—Would you mind giving your advice on how to improve our business management?
—If you make ____ most of the modern equipment, there will be ____ rise in production．
| A．不填; 不填 | B．the; a | C．不填; a | D．the; 不填 |
---I have looked for my keys everywhere, but I can’t find them.
---Sorry to hear that. You _____ them somewhere.
| A．must lose | B．should lose |
| C．must have lost | D．should have lost |
---What makes him so excited these days?
---________ a key university.
| A．Admitted into |
| B．Admitting to |
| C．Having been admitted into |
| D．Being admitted to |
---You didn’t lock the back door.
---You are wrong. I ______.
| A．have locked it | B．lock it myself |
| C．did lock it | D．do lock it |
If you don’t know what you want, you might _______ getting something you don't want.
| A．end up | B．pick up |
| C．turn up | D．give up |
I have ______ many different friends ______ it is hard to choose just one best friend.
| A．so; as | B．so; that |
| C．such; as | D．such; that |