看看你的应变能力，用所给的单词的适当形式填空。
1.You should strive _____ (be) the best you can be.
2.The girls are confident in _____ (they).
3.The word _____ (mean) "hope".
4.Let's _____ (sing) the song again and again.
5.Miss Liu is always _____ (friend) to us.
6.Wang Ping is one of the _____ (good) student of Miss Li's.
7.Do you finish _____ (write) your report?
8.There are many _____ (different) between the two.
9.What makes him so _____ (sadly)?
10._____ he _____ (have) any talents?
