用方框中所给单词的适当形式填空

He got a _______ result in English this term than last term, he didn’t try his best.
The students in the ______grade will have a very important exam next year.
Her dream is to be a social worker, because she wants to do something for the _______.
A true friend can share your sadness and _______.
Please tell me the ______ names, I want to interview them.