The boy doesn’t know the answer _________ the teacher’s question.
| A．to | B．of | C．for | D．with |
My father has worked there ___________.
| A．since five years | B．since 1990 |
| C．for five years ago | D．five years |
Daniel lives with his family _______ a flat _______ a quiet street.
| A．in; at | B．on; in |
| C．at; on | D．in; on |
Don’t say bad words ______ your friends. It’s ________.
| A．about, polite | B．to, impolite |
| C．at, polite | D．about, impolite |
—Oxfam trailwalkers in Hong Kong have to climb________ twenty hills and mountains.
—It’s really a tough hike.
| A．through | B．around | C．over | D．along |
Alice learned the news TV that a Chinese student was killed in Boston marathon blasts.
| A．for | B．on | C．with | D．about |