It is necessary for students ______ good studying habits Wap版

试题详情及答案解析

It is necessary for students ______ good studying habits.

A．to have	B．having
C．have	D．with having

答案：A

试题分析：句意：拥有好的学习习惯对学生而言是必要的。此题考查的是句型：It+be+形容词+for sb.+to do sth.，句中it是形式主语，代替后面的真正主语——不定式，因此此题选A。
考点：考查非谓语动词的用法