2 Complete the text with the words in the box. habitat live swim climate extinct pollution hunt Polar bears are becoming! Why? Human is changing the Polar bears_on the ice in the Arctic. But the ice is melting and their" _ is getting smaller. Every year it gets more difficult for the bears to seals. Polar 6 bears can'_but they can't live in the sea!

Объяснение:

условные обозначения типа 3

Если вы (чтобы не опоздать) на автобус, вы (чтобы не опоздать) на свою встречу.

Если это (дождь) вчера, то все дороги (перекроют).

Если вы (не отвлекать) меня, я (закончить) мое задание вовремя.

Если наша команда (играет) лучше в обороне, мы (выигрываем) игру.

Я (уведомляю) вас раньше, если я (получаю) электронное письмо от банка.

Я (останавливаюсь) на красный свет, если я (вижу) его.

Дженнифер (чтобы не промокнуть), если она (возьмет) свой зонтик с собой.

Я (покупаю) вам хотя бы небольшой подарок, если я (знаю), что это был ваш день рождения.

Если Джон (пригласит) меня на свою вечеринку, я (буду) там.

Use the right form of the verbs in brackets 1. They (have been) political rivals for more than 30 years and still are. 2. New York house (has been) his main home for the last forty years. 3. I (miss) you terribly! Where have you (been) all this time? 4. It (was, has been) a long way, I really feel tired. 5. I have always (liked) being near water, and for as long as I can remember. 6. Frank wants to fly. He (has done) this so many times in his mind that he is beginning to think it really (happens). 7, Life (is) very kind to me. 8. I (haven't seen) fireflies since I (was) a kid. 9. I (have noticed) something strange in her lately. 10. We believe you (have been) very busy since you (arrived) in New York. 11. Melanie (has known) the Hills for donkey's years. 12. After all, Nigel always (has been) a bit of a know-it-all. 13. It is quiet in the apartment now that everybody (has left) it. 14. It's strange that they are friends, they have never (shared) the same interests. 15. "I think you had better leave," he said icily. "Before I really lose my temper. I (have just had)enough of you." 16.1 (have always wanted) to look clever, but now at the age of twenty I have to admit that I look like a person who (has never even heard) of Jung or Updike. 17. We (have been seeing) each other fairly steadily for the past year, and when David (asked) me to marry him, last week, there (seemed) no reason to say "no". I (have been) very lonely for a very long time. And so (has) David, ever since his wife (died) seven years ago.