根据中文，句意及首字母填入所缺单词（共10分，每题1分）

根据中文，句意及首字母填入所缺单词（共10分，每题1分）
小题1:There is a big _______ (操场) in my school?
小题2:The windows of our classroom are _______ (干净)
小题3:This is Carl. He is very _______ (有礼貌的).
小题4:—Is this dog very _______ (高兴的)?—Yes, it is.
小题5:Jim is my uncle’s son. He is my ________ (表兄).
小题6:We have a computer lesson on _____________ morning. (星期四)
小题7:She has two p_____ of trousers in the red box.
小题8:It’s not my book. M_____ is new.
小题9:There are lots of books in their_______ room .
小题10:There aren’t any t_______ on the first floor.