It's good ＿＿children and old people to cross the road A.to help B.help C.helps D.helping

It's good ＿＿children and old people to cross the road A.to help B.help C.helps D.helping
It's good ＿＿children and old people to cross the road A.to help B.help C.helps D.helping

It's good ＿＿children and old people to cross the road A.to help B.help C.helps D.helping
A

A
it's good to do sth 做某事很好

你好，应该选A
It‘s + adj +to do sth是固定搭配：做sth是+形容词的

A.to help

A

选A
解析：It‘s + adj +to do sth是固定搭配，意思是“做某事是......的‘
翻译：帮助老人和小孩过马路是很好的
希望帮到你，祝学习进步

答案是：A
根据it's good to do sth.(帮助某人是好的）

A，It's good to do sth帮助某人很好