用括号内所给单词的适当形式填空。（本大题共15分）
Little Kitty likes keeping the secrets to_____________ (her) ，even her best friends don’t know
them.
He looked much ___________ (sad) when he knew he didn’t pass the exam.
Mrs Green with her two daughters always _________ (try) different kinds of food on Sundays.
The real _________ of the match were our players. (hero)
My parents never agreed ____________ (invite) my classmates to our home.
Do they often have a nice time ____________ (walk) in the park nearby?
Everybody here _____________ (be) very happy if he can pass the Mid-term exam.
Look! How happily the children ____________ (play) hide-and-seek over there!
         （luck），he got 59 scores and didn’t pass the exam in the end.
The Great wall is one of  the           (wonderful) places in the world.