Water is very important _____ all living things. We must _____every drop of water.[ ]

All of us wereat thenews.

She didn’t write _____.So she didn’t pass the test.

I don’t know if he _____ tomorrow. If he _____, I’ll go to see him.

We must stop the hunters hunting the Tibetan antelopes(藏羚羊) in Tibet.— I agree with you. If it ________, they will ________ soon.