英语句子改错 急!最好写原因

句子修改如下,供参考：
1．Add these figures to see how much they will add up to.（add 为及物动词）
2．Her father died when she was ten,and it still upsets her when thinking about it.
3．You will ignore the sign on the wall.（ignore 才是动词）
4．The old woman was so honest that the cheat easily cheated her of her gold ring.
（cheat sb of sth）
5．He collected a set of stamps.（一套 a set of...）
6．Our parents lived a hard life when they were young.(过艰苦生活：live a hard life)
7．To pass the coming exam,he studies harder than ever.(as to 是关于之意.To pass,才是为了通过考试.)