As a student in Senior Three, I must work hard． ___________, I should take exercise to strengthen my body．
| A．Otherwise | B．Meanwhile | C．Therefore | D．Thus |
Chinese President Hu Jintao called for an immediate cease-fire in Libya ______ an even worse humanitarian crisis in the country at the BRICS Summit in Hainan province.
| A．to prevent | B．to have prevented | C．preventing | D．having prevented |
________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. |