选词填空, 注意大小写。

（1）             down please, boys and girls.
（2）        your books, let’s           these new words.
（3）            nine and eleven? It’s twenty.
（4）I’d like to            some milk.
（5）        I have a storybook for Helen?
（6）Why      you go to bed now?
（7）I like that tiger.         it for me, please.