根据句意，首字母或括号里的单词，写出相应的单词的正确形式。
The White jacket is __________（she）
I think the English _______（dictionary）are good.
—where _______ my pens？（be）
—They’re under the chair.
_______（that）things are very cheap（便宜）
—Peter, your hat is in your __________（grandparent）room.
—Oh, thanks, Mum. They are in their room.
The eraser _________（is not）in the pencil-box.