请仿照下面的句子再写两句，要求句式相同，句意连贯。(2分)

大自然能给我们许多启示：滴水可以穿石，是在告诉我们做事应持之以恒；大地能载万物，是在告诉我们求学要广读博览；                ，                。

She often goes to help the old man and tries to look after him as ______ as

she can.       [ ]

A. well

B. possible

C. much