根据中文，句意及首字母填入所缺单词（共10分，每题1分）
There is a big _______ (操场) in my school?
The windows of our classroom are _______ (干净)
This is Carl. He is very _______ (有礼貌的).
—Is this dog very _______ (高兴的)?  —Yes, it is.
Jim is my uncle’s son. He is my ________ (表兄).
We have a computer lesson on _____________ morning. (星期四)
She has two p_____ of trousers in the red box.
It’s not my book. M_____ is new.
There are lots of books in their_______ room .
There aren’t any t_______ on the first floor.