用所给词的适当形式填空.
The bridge is famous . It____  (build) thousands of years ago
E-mail English is a kind of ____ (write) English, not spoken English .
____ you ever____3__ (sing) a song in front of other people?Yes , I ____3___ one  last term .
Danny writes ____  (careful) of all the boys.
He studies science very hard because he wants to be a____  (science).
Swimming makes me ____  (health) than before.
It's your turn____ (take) out the trash.
Tina is looking forward to ____ (spend) holidays with her family in Paris .