---There’s too much salt in the Chinese diet. ---So there is. The WHO says only 1.5 grams of salt __________ for each man every day.

Students  should ______ to choose their own uniforms.

--- Some of the plastic bags can’t ______ after June1.--- Yes, people will use environmental bags instead.

This famous tower has a long history. It ______ more than 300 years ago.

—Mr. Black, may I leave now?—Well, if your work ________, you can go home.