下列各题中各有一处错误,请改正

问题描述:

下列各题中各有一处错误,请改正
1.The old man is very pleased seeing us again.
2.I often dress up as a ghost in Hallween.
3.We donated enough statineries to the students in the pool areas.
4.Each of the students in our class have an English-Chinese dictinary.
5.You need to exercise much and watch less Tv than before.

问老师..