Question

【题目】Children in poor areas can't afford to go to school. It's necessary _____ them.
A.to help
B.help
C.helping
D.helps

Answer 1

【答案】A
【解析】句意：贫困地区的孩子们上不起学，有必要帮助他们。句型：It's+形容词+for sb+to do sth 做某事对于某人来说……，故选A。