—May I trouble you with the question?
—Sorry，but it is________my knowledge.
| A．from | B．off |
| C．beyond | D．to |
________scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation.
| A．Having explained | B．Having been explained |
| C．Though it was explained | D．It was explained |
Thank you for sending us ______ fresh vegetables of many kinds. You have done us _____ great service.
A./; a B. the; a C. /;/ D the; /
She’s got the job because she has the advantage _____others of knowing many languages.
over B. above C. against D. beyond
—You seem to get lost. Need help?
—
| A．Yes, could you please help me with the bag? |
| B．Yes, give me a hand, please |
| C．I am looking for the way to the station. |
| D．Help me find my key, please. |
red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened.
| A．As | B．While | C．If | D．Since |