There are apples.

She gave it to me .

—I will meet you when you ________ the airport.

gave the coin to a man.

, what are you doing?

There water in the bottle.

There are people in the square.

There are people in the square.

Water is very important to us. We can't live without it. There is (lots of, some) water on Earth, but we can't use (too much/too little). About 97% of the Earth's water is salty. We can use only about 1% of the Earth's water. It's (too few/too little). We use water from both lakes and rivers. (Some/Any) of the water evaporates and then becomes rain. Sometimes the Earth's water is in the wrong place. There is (plenty of/little) rain in the tropics (热带地区), but it is difficult to have farms there. (Some/Many) desert land is rich/but there is only (a little/a few) water in the desert. The water is necessary for us (live) and it is very (value). We must save water because we can use (too much/too little) Earth's water.

There are 157,500 in the pool.

Drinking water is good for your health. There are some scientific ways of .

1. It is the best medicine to drink two glasses of water in the morning.

2. Drink clean water.

3. Never drink soft drinks .

4. Water is also needed in winter.

5. Drink water at the right time.

•After in the morning, you have less water in your body, because you don't drink water for the whole night. So you should drink some water.

•Drinking water at about 10 a.m. helps your body .

•Drinking water at about 3 p.m. can remove the wastes in your body.

•About eight o'clock in the evening is to drink water every day. Water is so important to our life. We should drink water often.