英语：Module 2 Unit 1 练习题（外研版四年级下册）一起
一、将下列句子改为复数形式：
1. There is a knife in the box.
There _____ _____ ______ in the box.
2. She’s a woman doctor.
They’re ______ ______.
3. Our teacher often tells us a story.
Our ______ often ______ us _______.
4. The sheep is over there.
The ______ ______ over there.
