Please don't use "guys". Although some people use it to refer to mixed groups, most people assume it refers only to men. I'm sure you didn't want to say "Hello" only to the men on the forum.
What is the best grammar [STRIKE]book[/STRIKE] and listening book for IELTS?
This is the question you need if you are looking for one book which covers both grammar and listening. If you want two books - a grammar book and a listening book - you need to ask "Can you recommend a good grammar book and a good listening book for IELTS?"
I'm trying to [STRIKE]catch[/STRIKE] reach an IELTS score of 7. [STRIKE]Score[/STRIKE]
We don't "catch" a score.