4. backpack, is, your, where.?
3. thanks, the photo of, family, your, for.
2. that's, Anna, Paul, that's, and.
1. what, English, in, is, this,?
5. Those are erasers. (改为单数句)
eraser.
4. My CDs are in the drawer. (画线部分提问)
your CDs?
3. I have a pen. (改为否定句)
I a pen.
2. Is this a pen? (否定回答)
, .
1. That is a book. (改为一般疑问句)
a book?