将左右两部分搭配，使其成为通顺的句子。
（1）Is she in the study? A It's on the desk.
（2）Is this your bedroom? B No, they aren't.
（3）Where's my pen? C No, it isn't.
（4）Are they on the chair? D Yes, she is.
（5）Where are my books? E They are on the bed