_______ to the sunlight for too long will do harm to your skin.
| A．Exposing | B．Exposed | C．Being exposed | D．Having exposed |
The professor walked onto the platform and seated himself in a chair, ____ for answering questions.
| A．had prepared | B．being prepared | C．preparing | D．prepared |
A special dinner there might include Chinese pork dish, British roast beef and French-style vegetables. Boiled rice ____ just about everything.
| A．is served with | B．will serve | C．serves with | D．is served |
In fact, more and more people ____ to live a greener, healthier and more environmentally “green life”.
| A．chose | B．choose | C．are choosing | D．have chosen |
—Did you know any French before you arrived in Washington?
—Never ____ it, actually.
| A．had I learned | B．have I learned |
| C．I learned | D．was I learning |
____ the search engine just gave me some brief introductions rather than the whole content of the book to read.
| A．Luckily | B．Mostly | C．Funnily | D．Disappointingly |