题目内容：

初一英语：单、复数句子转换,每空一词
This is an orenge.(复数）
____ are ______.
Are those book?(单数)
_____ _______ ________ book?
Is she your friend?(复数)
______ ________ you _______?
Where's my baseball?(复数)
Where ________ my ______?
They are on the sofa.(单数）
______ _______ on the sofa.

优质解答

these oranges
is this a
are they friends
are baseballs
it is