March is a Civility month(文明禮貌月) in China. More and more young people
are trying to do all they can ________ the elderly.
A．helpedB．to helpC．helpD．helps
B
動(dòng)詞不定式可以用在謂語(yǔ)后面，表示一次性的動(dòng)作，說(shuō)明動(dòng)作的方向目的等，此處幫助老人是他們做事的目的，所以選B，努力去做他們能做的來(lái)幫助老人們。
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