Here are the sentences completed:

1. I think the Temple of Literature is as **old as** Quan Thanh Temple.
2. I don’t like this film very much. It is **different from** the original book.
3. Some students say maths is **more important** than music, but I don’t think so.
4. My grandma thinks modern life is **not as good** as life in the past.
5. Learning to play the guitar is **not as easy as** I thought.