1.What does Mario love?He loves animals.
2. What does Mary love?She loves reading books.
3. Where did they volunteer to work?Mario volunteered to work at an animal hospital.Mary volunteered for a volunteer after-schoolreading program.
4. What did they do there?Mario cared for the animals.Mary helped kids learn to read.

1.Mario Green and Mary Brown from Riverside High
School give up several hours each week to help others.
from River High School为介词短语作后置修饰语,翻译时应提前。
to help others 作目的状语。是“每周拿出几个小时”的目的。

2. Mario believes it can help him to get his future
dream job.马里奥相信这会帮助他获得他的梦想职业。help sb. (to) do sth.帮助某人做某事;help后的不定式符号to，可以省略。
e.g. Mike called on his sister to help him look for his lost keys.
迈克叫上他妹妹帮助他找钥匙。

3. ...but I want to learn more about how to care for
animals.但是我想学习更多关于如何照顾动物的事。want to do sth.想要做某事。to不定式做want的宾语。e.g. Grandpa wanted to lend us some money to buy a new car.
爷爷想借给我们钱去买一辆新车。

4. Last year, she decided to try out for a volunteer after-school reading program.她决定去参加一个志愿者课外阅读选拔活动。decide to do sth.决定去做某事;to不定式做宾语。e.g. He decided to get married.他决定结婚。