The traveler didn’t know________which direction to go.
| A．in | B．at | C．to | D．/ |
Their products enjoy 30 percent_____ of the market in this country because both the quality and their service are fine.
| A．share | B．profit | C．possession | D．advantage |
Although I admire you _____ your work on soil, I think you should apologize _____the villagers for the water pollution.
| A．for; to | B．to; for | C．for; for | D．to; to |
With ____ leaves ____ in the earth every year, the soil becomes richer and richer.
| A．falling; burying | B．fallen; buried |
| C．fallen; burying | D．falling; buried |
American women usually consider their best friends as someone ________ they can turn when in trouble.
| A．to which | B．on whom | C．to whom | D．with whom |
He is always serious and doesn’t like _____.
| A．play jokes | B．being played jokes on |
| C．being played jokes | D．to play joke on others |