1. Fill in the appropriate modal verb (must / may / need)
• I invite Bob to our house?
• It rain soon.
• You not make notes in the books.
• You pay your bills in restaurants.
• The baby is sleeping. You not shout.
• That diamond bracelet is very elegant but it have cost a fortune.
• You not say anything if you don’t want to.
• I can hear you quite well. You not shout.
• He has left the army and doesn’t to wear a uniform any more.
• I’ve bought everything, so you not go shopping.
• Tim gave me a letter to post. I not forget to post it.

West Asian and African elephants live in the jungle. Some of the animals work for people because they can lift and carry heavy objects. All elephants have endurance for walking long distances, but not for running. In eastern and southern Africa is often their usual pastures dry up for months. Elephants have long way to go before they find grass and water. Hungry elephants can walk more than 30 kilometers in one day. They never forget the place where there is water. They can drink about 200 liters of water every day and eat 100 kilograms of food.

West Asian and African elephants live in the jungle. Some of the animals work for people because they can lift and carry heavy objects. All elephants have endurance for walking long distances, but not for running. In eastern and southern Africa is often their usual pastures dry up for months. Elephants have long way to go before they find grass and water. Hungry elephants can walk more than 30 kilometers in one day. They never forget the place where there is water. They can drink about 200 liters of water every day and eat 100 kilograms of food