根据句意，用括号内所给单词的适当形式填空。
How many ________ (wait) are there in the big restaurant?
My father ________(teach) Chinese in a secondary school．
He is the ________(four) child of his family．
动词填空
用括号内所给动词的适当形式填空。
Look! How beautiful our city ________ (look)!
I often hear her ________ (sing) in her beautiful voice．
Spring is the best time for ________ (visit) Chinese gardens．
If you double-click on the icon, the web page ________ (appear) on the screen．
The goal of the game is ________ (test) your knowledge of English grammar．
It is twenty years since the bridge ________ (build)．
Jimmy ________ (read) a science book when I came into his room．