1.判断下面复合句中所含定语从句的关系词是否可以省略?

1.判断下面复合句中所含定语从句的关系词是否可以省略?
a.The factory which we will visit next week is not far from here.
b.This is one of the best films that have been shown this year.
c.This is the professor who taught my father chemistry in college.
d.Can you lend me the book about which you talked yesterday?
e.Do you know the man who Mr Liu is speaking to?
f.Jane is that kind of person who always helps others when they are in trouble.
g.Australia is a country that most people would like to visit.
可以省略关系词的句子有：_______________
2.谁在这部电影中扮演主角?
Who____ _____ _____ _____ in the film?
3.我猜这本书是简的,因为书上有她的名字.
I guess the book is Jane's because it ____ ____ her name _____ _____.
4.你认为十年后的生活将是什么样子?
What do you think _____ _____ _____ like in ten years