Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, ______ the number of people infected with the virus is going up sharply

Could you please tell me ______ now

Some drunken drivers think that they may be lucky to __________ a fine, which may cost their own lives.

Do you know something about Christopher Columbus— He’s an Italian Navigator (航海家) who __________ America in 1492.

I’m afraid I can’t take down what you’ve just ___.