A description that appeals to our five senses.
Water is liquid so it is wet. :)
Yes, I think so. Fluent means he knows the language by heart whether that is his first language or not. However, he still could forget some things. Here in the U.S. We still look stuff up all the time in dictionary's or on our phones even though we are fluent in the language. So getting a French dictionary will help more.
Answer:
When she graduates Zara is moving to the city.
I forgot the exam was today.