Complete the sentences using the correct form of have to/has to, don't have to/doesn't have to, can/can't.
1) it isn't possible to drive a car when you're only twelve years old.
you.
2) my mother is a teacher. it's very important for her to be ready for every class.
my mother.
3) we don't have mathematics tomorrow. it's not necessary to do the homework tonight.
we.
4) it isn't necessary for Asyl to pay in trolleybus because he's got a plass ticket.
Asyl.

1)Чтобы понять народ этой страны, вы должны знать их обычаи

To understand the people of this country, you must know their customs

2)Чтобы подготовить этот доклад, вы должны пойти в библиотеку

To prepare this report, you should go to the library

3)Чтобы хорошо знать географию, вы должны изучать карту

To be familiar with the geography, you must study the map

4)Чтобы поступить в этот университет, вы должны хорошо подготовиться

To enter this University, you must be well prepared

5)Чтобы получать хорошие оценки, я должен усердно учиться

To get good grades, I have to study hard

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