用方框中所给单词的适当形式填空，每个单词限用一次。

I,  leaf,  proud,  fail,  complete

 
When the ______ are ready, tea plants are picked by hand.
Tom, please watch TV after your homework is _________.
Our monitor got the first prize on the English competition, we are all _______ of him.
Cindy doesn’t study for the test. So she ______ the exam at last.
Mum, I am old enough to take car of ________.