根据所给中文提示，写出空白处各个单词的正确形式。每空限填一词。
Tomorrow is _______ (星期日). Let’s go shopping.
–How old are you？--I’m_______(五)years old.
Please  _______ (放，置) up your hand.
Jim is a little boy. He is Mr Green’s _______(儿子) .
Amy is _______ (我们的)friend.
There are twenty_______ (树)in my school.
I’m a teacher. What _______ (关于)you?
It’s_______ (很，非常) cold in Beijing in winter.
--Where is my bag, mum?     --Sorry, I don’t_______ (知道) .
There aren’t any pictures on the _______ (墙).