题目内容：

根据句意用所给词的适当形式填空 （5分）

1.Who came here__________(early), Mary or Jane?

2.Are you ___________(will) to sing us an English song?

3.The film isn’t interesting at all, so I feel         (boring).

4.We are          (certain) of the information he offered. We need to check it on Google.

5.There was          (one) a very tall tree in this area.