Only then ______ how much damage had been caused.
| A．had she realized | B．she realized | C．did she realize | D．she had realized |
They eat only plant foods, and take care to ________ animal products from other areas of their lives.
| A．contain | B．maintain |
| C．exclude | D．Include |
The accident that happened at an oilfield ______ the southeast coast of the USA has caused great damage to the environment.
| A．away | B．from |
| C．off | D．beyond |
The Bitcoin is a form of electronic money which has been created ___ for use on the Internet.
A. perfectly B specifically
C. extremely D. especially
In yesterday’s business training course the consultant instructed us that a good salesman must be ______ if he wants to succeed.
| A．aggressive | B．conventional |
| C．visual | D．fragrant |
On top of a gardener, Mrs. Johnsons has also taken up an _______ as a wine-maker.
| A．inspiration | B．Ambition |
| C．affair | D．occupation |