надо. № 1. Put the verbs in brackets into the correct tense.
Yesterday, while I 1) (shop), I 2) (leave) my purse in the supermarket. I
really thought
I 3) (put) it in my bag because I 4) (be) always careful. Luckily, a man
found my purse while he was doing his shopping and 5) (give) it back to me. I must try
to be more careful in the future.
№2. Fill in the gaps with appropriate modal verbs.
1. I come in?
2. you roller-skate?
3. You give up your seat to old people.
4. you tell us where the circus is?
5. You cross the street at the crossing.

1. The USA is one of the largest countries in the world.

2. It's situated in the central part of the North American continent.

3.The USA is washes by the Pacific Ocean and by the Atlantic Ocean.

4.The population of the USA is nearly 256 million people.

5.People of different nationalities live in the USA.

6. The capital is Washington, was named in honour of the first President, George Washington.

7.The USA is a federal republic, is consist of 50 states.

8.Each of these states has it's own government.

9.The USA is a highly developed industrial country.

10.The president is the head of the state. He is to elect for four years.

Объяснение:

вроде все правильно )

Seals are very well adapted for accommodation in the cold seas. All their body, including, flippers and a short tail, is covered with the rough dense hair protecting an animal from ice water, snow, ice and the penetrating wind. Under skin all seals have quite thick grease layer.Seals near sea coast of moderate areas of the Northern hemisphere live. They never swim away far from coast and, sometimes, settle in the large rivers and fresh lakes. The area of their distribution lasts along coasts of Atlantic to border of polar ices and along the American and Far East coasts of the Pacific Ocean.These are, rather, small animals. With a length of a body of a male approximately in 1,5 m weight reaches 50 kg and changes within 50-150 kg seasonally. Female of approximately same sizes. Near the Pacific Ocean especially large race of seals lives. The head of them roundish, with a short neck, the muzzle which as if is a little chopped off eyes big, a trunk thickset. Color of coloring considerably varies from yellowish-gray with dark-brown spots to almost black with white spots of the wrong form. Teeth large, and canines are well developed. Nipples at females only one couple. On a face of a vibrissa with wavy edges.

Тюлени очень хорошо при к проживанию в холодных морях. Все их тело, в том числе, ласты и короткий хвост, покрыто грубым густым волосом, защищающим животное от ледяной воды, снега, льда и пронизывающего ветра. Под кожей у всех тюленей находится довольно толстый слой жира.Обитают тюлени вблизи морских берегов умеренных районов Северного полушария. Они никогда не заплывают далеко от берегов и, иногда, поселяются в крупных реках и пресных озерах. Ареал их распространения тянется вдоль побережий Атлантики до границы полярных льдов и вдоль Американского и Дальневосточного побережий Тихого океана.Это, сравнительно, мелкие животные. При длине тела самца примерно в 1,5 м. масса достигает 50 кг и изменяется в пределах 50-150 кг в зависимости от времени года. Самка примерно таких же размеров. В районе Тихого океана проживает особенно крупная раса тюленей. Голова у них округлая, с короткой шеей, морда как бы немного обрубленная, глаза большие, туловище коренастое. Цвет окраски значительно варьирует от желтовато-серого с темно-бурыми пятнами до почти черного с белыми пятнами неправильной формы. Зубы крупные, а клыки хорошо развиты. Сосков у самок только одна пара. На лице вибриссы с волнистыми краями.