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?