Question

英语语法改错改错高手请进

1,The university for the aged offers courses of computer ,music,English and so on.
2, You are cordially invited to a party being given at our institute at 1;30 p.m this Sunday.
3,Computers have came to be widely used in Chinese families.
以上几个改错题，麻烦高手指出错误并解释下原因
不要仅仅列出一个答案哦

Answer 1

1The university for the aged offers many different courses:computer,music ,English and so on.
courses of computer ,music,English 中式英语，电脑、音乐、英语的课程
2You are cordially invited to a party given at our institute at 1:30 p.m this Sunday.
given at our institute at 1:30 p.m this Sunday做party的定语
3这句两种改法。Computers have came to Chinese families
Computers have been widely used in China(Chinese families)

Answer 2

1.把aged改成old 句子意思为老年大学提供电脑、音乐英语等课程
2.把being去掉，a party given at our institute 在我们研究所举办的聚会
3.have came to being widely...