根据图片选择合适的句子。
(______) 1.
A. This is Nancy. She is my friend. B. This is Tom. He is my friend.
(______) 2.
—What's this? —________.
A. It's a desk B. It's a chair
(______) 3.
—Whose ruler is this?—________.
A. It's Jenny B. It's Jenny's
(______) 4.
A. They're playing on the playground. B. They're reading in the classroom.
(______) 5.
—How many ducks are there? —________.
A. There are four B. There are six