Question:

　　Ms abc,您好！

　　More attention should be paid，我认为这没错，可老师说还应加个to.

　　lruhan

　　Answer:

　　Dear lruhan,

　　如果后面有名词性的内容，就要加to，例如：More attention should be paid to caring for the elderly, disabled children and orphans。

　　yours abc