用所给词的适当形式填空：
1．September is the ________ (nine) month of a year.
2．Your English is getting better, but there is still room for ________ (improve).
3．Don't judge a person by ________ (appear).
4．As last, the farmers got in the crops before the rain. (succeed)
5．Last summer we went to England and the exciting holiday there was quite (forget ).
6．He made the most mistakes of all the students in the exam because of his (careful).
7．She dropped the old vase _________ (accident) and broke it into pieces.
8．He was one of the best _________ (contest) in the competition although he was unprepared.
9．I regret (lose) my expensive cellphone last week.
10．A _________ (balance) diet and plenty of exercise will help your hair shine.