Find informal words and phrases in the letter that mean: 1 thank you 4 lots of 2 very good 3 Ithink 5 fun 6 best friend​

1. Thank you - In the letter, the informal words and phrases that mean "thank you" are "thanks" and "cheers". These words are used to express gratitude or appreciation towards someone.

2. Very good - The word "awesome" in the letter is an informal word that means "very good". It is used to express a high level of admiration or approval.

3. I think - In the letter, the informal phrase that means "I think" is "I reckon". This phrase is commonly used in informal speech to express personal opinion or belief.

4. Lots of - The informal phrase "loads of" in the letter means "lots of". It is used to indicate a large quantity or a significant amount of something.

5. Fun - The informal word "cool" in the letter is used to mean "fun". It is often used to describe something that is enjoyable or exciting.

6. Best friend - In the letter, the informal phrase that means "best friend" is "my mate". "Mate" is a colloquial term used to refer to a close friend or companion.

To summarize, the informal words and phrases in the letter that mean: 1. thank you - thanks, cheers; 2. very good - awesome; 3. I think - I reckon; 4. lots of - loads of; 5. fun - cool; 6. best friend - my mate. These informal words and phrases are commonly used in informal conversations or casual writing.