Where have you been, Ann You on the phone just now.

The Three Gorges Dam can produce _________ for millions of people every year.

For some time the expert __________ people of the health risks caused by passive smoking. He says he won’t stop until all the smokers around him decide to quit smoking.

What’s the model plane look like? — Well, the wings of the plane are ______ of its body.

Can you sing this song in English — Yes， I ______.