If you could change one thing in the world, what would it be?

Hello [이름]!

Thank you for doing your homework. :)

I understand that English could be really difficult.

But it only takes faith and confidence in yourself to perfect it.

You are a smart person and I know that with constant practice you will do great… ^_^

Xoxo,

T. Christina ^^

Here are my corrections for you:

I would like to make all of the harmful insects disappear. 

>> CORRECT!

Mosquitoes, flies, cockroaches, etc are useless creatures in the world. 

>> Mosquitoes, flies, cockroaches, etc. are useless creatures in the world. 

It\'s not only worthless but also damaging the spirit of the people. 

>> CORRECT!

Especially, it is often seen in everyday life in summer, and it is very annoying. 

>> Especially, it is often seen in everyday life during summer, and it is very annoying. 

Cockroaches are very dirty and mosquito sucks blood from people and make them itchy. 

>> Cockroaches are very dirty and mosquito sucks blood from people and make them feel itchy. 

It carries infectious diseases and flies which stuck-on food is disgusting. 

>> It carries infectious diseases and flies which stick on food are disgusting. 

Recently I got a lot of stress about the flies existing everywhere, so I want to make the annoying creatures to die.

>> Recently, I got a lot of stress with the flies existing everywhere, so I want to make the annoying creatures die.

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