1.My healthy lifestyle helps me get good grades.2.Good food and exercise help me to study better.这里的help为什么1.加S而2.没加

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1.My healthy lifestyle helps me get good grades.2.Good food and exercise help me to study better.这里的help为什么1.加S而2.没加

1.My healthy lifestyle helps me get good grades.2.Good food and exercise help me to study better.这里的help为什么1.加S而2.没加
1.My healthy lifestyle helps me get good grades.2.Good food and exercise help me to study better.
这里的help为什么1.加S而2.没加

1.My healthy lifestyle helps me get good grades.2.Good food and exercise help me to study better.这里的help为什么1.加S而2.没加
第一句主语是 my healthy lifestyle 为第三人称单数,help要写为三单形式
第二局主语是 good food and exercise 为复数,用原型即可.