Mrs.Marlon made a donation of ＄5,000 _____ the benefit of the disabled children.
问题描述：
Mrs.Marlon made a donation of ＄5,000 _____ the benefit of the disabled children.
1.with
2.for
3.on
4.in
答
选2.
字典上benefit前常和for连用.
for sb's benefit 为了某人.for the benefit of sb应该是一样的意思.
其实这种选介词的题,根据词义就可以判断了：for （表示接受者或受益者）为,给,对.Mrs.Marlon捐钱就是为了帮助disabled children.