1. audience - I was nervous because I had to introduce my self in front of the audiences.

*correct: I was nervous because I had to introduce myself in front of the
 audience. ( the word audience is both plural and singular)


2. distract - He distracted me so I couldn't hear about the assignment.

*correct: He distracted me that's why I wasn't able to hear about the
assignment.


3. disgusting - The smell of the garbage is very disgusting.

4. constantly - The best way for studing exam is to study hard constantly.

alternative answer: The best way to prepare for the exam is to study
hard constantly.


5. interrupt - Teacher scolded Mike because he interrupted the class.

*correct: The teacher scolded Mike because he interrupted the class.
(Use the appropriate article, ex. a, an, the.)

6. discourteous - He is very discouteous so No one likes him.

*Pease take note of words that should and shouldn't be capitalized.

Hi Leem! I am so glad that you submitted your homework just on
time! I can see that you are a very diligent student.  Good job! I have
corrected some of the sentences, but all in all, I think you did great. I'm
looking forward to our class! Take Care Leem!