______ not to miss the flight at 15:20, the manager set out for the airport in a hurry.
| A．Reminding | B．Reminded | C．To remind | D．Having reminded |
Since no one really knows what effects the GM food might have _____ us humans, many countries think that they should be cautious _____ this new technology.
| A．about; with | B．on; to | C．in; to | D．on; with |
The water and soil conservation project resulted in farmers ______ the crops on the farmland _____ trees and grass.
| A．to replace; with | B．to replace; for | C．replacing; with | D．replacing; for |
People have the belief ______ factories should produce fewer things from raw materials, ______the supply is growing smaller and smaller.
| A．which; that | B．that; of which | C．that; whose | D．which; whose |
_______ he lives in a rich family, he started from the lowest position as an ordinary worker to make his living.
| A．While | B．Unless | C．As | D．Since |
The big company should be ready to ______ many talents who can often _____ a new idea for increasing sales.
| A．take in; come across | B．take on; come on |
| C．take on; come up with | D．take in; come up with |