Andrew:I always want to wear a simple cloths .
Correct: I always want to wear simple clothes .
Explanation: Since clothes refer to many, we remove the article "a".

Andrew: Because weather is a sunny day during every week.
Correct: Because the weather is sunny these days.
Explanation: You can omit or remove  the words  "day' and "during". The article "the" is used, especially before a noun, so "the weather" We can say" these days" since the weather changes and is not permanent.

Andrew: So, I want to wear cool t-shirts and short pants.
Correct:  No Correction.

Andrew: How about Isabel teacher~?
Correct: How about Teacher Isabel?

Hello, Andrew! I appreciate the fact that you still made your homework inspite of your busy schedule. Please take note of the simple corrections that I have made. A job well done, Andrew!

-Teacher Isabel