1.Wr should regard plants and animals ________ our friends.

1.Wr should regard plants and animals ________ our friends.
2.It was built _________the International Exhibition of paris in 1889.
3.I know the girl_____a big mouth.
4.I need some branches with leaves.
5.Theteacher came into the classroom____a bid smile on her face.
6.I want to be_______you.
PS:都填介词.每空一词
另外第一个T的第一个单词是We...