****************CORRECTION********************

Student: I like to buy book in a shopping mall.
Correct: I like to buy books in a shopping mall.
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Student:  Because I like reading and I can find good book and it can be birthday present.
Correct:  Because I like reading and I can find good books and it can be a birthday present...

Explanation: The indefinite article "a" refers to a particular or certain one of a class or group thing
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Student: And if that is recipe book then we can make some muffins or brownie.
Correct: ...and if that is a recipe book then we can make some muffins or brownies.

Explanation: The indefinite article "a" refers to a particular or certain one of a class or group thing. We can put your two sentences together.
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Student:  If I read book then I'll be more clever and smart. It makes me good.
Correct:  If I read a book then I'll be more clever and smart. It makes me good.
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*****************TEACHER'S COMMENT*****************

Hello, Julie!

Thank you so much for submitting your homework. You committed few mistakes. Good job. I know that this time, you'll be in Italy already. I'll see you again on the 5th. Have a great trip!

With love,

Teacher Claire