is are isn't was were There____many birds in the tree.there____ any water in the bottle.It's empty_____there amirror in the bathroom?There____some tall trees before.But there_____any now.There _____a picture on the on the wall last year.选择正确

is are isn't was were There____many birds in the tree.there____ any water in the bottle.It's empty
_____there amirror in the bathroom?
There____some tall trees before.But there_____any now.
There _____a picture on the on the wall last year.
选择正确的单词填空

are
isn't
Is
were,aren't
was