In this task, you will be shown an incorrect English sentence. You need to generate a corrected form of the input sentence.

Input: Consider Input: He mainly concetrate on the questions asked him at the time of interview . 

Output: He mainly concentrated on the questions that were asked of him at the time of the interview . 


Input: Consider Input: Then when we went to the Science Olympiad , she could have diverse knowledges about the subects and it was not new for her to think about new things . 

Output: Then , when we went to the Science Olympiad , she could have diverse knowledge about the subjects and it was not new for her to think about new things . 


Input: Consider Input: This is important thing . 


Output: This is an important thing . 


