二、单项选择（共15题，每题1分，计15分）
( )21. ___ 8.8 magnitude(震级) earthquake hit Japan on March 11.2011. It caused a huge
tsunami(海啸). _____ number of people lost their lives in the natural disasters.
A. A; A B. An; The C. An; A D. A; The
( )22. March is a Civility month(文明礼貌月) in China. More and more young people
are trying to do all they can ________ the elderly.
A. he lped B. to help C. help D. helps
