第二句话可以改成 The answer to this question is always my mother.
usually指的是通常,而always才指一直;然后the应改为my,因为没有说明白,the + n 一般指一个唯一的事物,比如说the Earth 地球
第三句话与第二句有所重复 2,3可以合并为There is no doubt that the most important person in my life is always my mother.
第五句话和第六句话 要记住 help + sb + to do sth
第六句话改成 She helped me to learn how to stand and walk,...