关于英语的基础题
改正下面的句子（是语法错误）
1.He doesn't aware of the importance of the study of the English.
2.who is responsible for this departement?
3.The poor quality of the goods adversely effected the sales
4.The conclusion that the scholar has come to is that kids shuld not have to suffer for the sins of their fathers
5.Canada lies the north of the United States.
请帮忙把上面五题全都改正过来.