Are there____(some)birds in the tree?

Are there____(some)birds in the tree? some birds are singing in the tree.改为一般疑问句 listen some birds are singing in the tree There are some birds in the tree.对what提问 There are some birds in the tree改为一般疑问句 There are some birds in the tree.改为一般疑问 Two cats are ____ the tree.There are some birds in the tree. There are some birds in the tree.对划线部分提问（是in the tree） There are some birds s___in the tree. There are some birds in the tree.There are some pears on the There are some brids in the tree.(对some birds提问 i can see some oranges on the tree ,and some birds are in it