Перепишите. Вставьте попущенные слова. sources
origin
design
steam
ancient
reliability
demand

1. Many traditions are of recent , but some of them date back to times.
2. He is working on the of a new engine.
3. During the Industrial Revolution engines appeared.
4. Many new of energy are used nowadays.
5. We pay much attention to of new devices.
6. The profession of an engineer is always in great .

1. Many traditions are of recent _origin, but some of them date

back to ___ancient times.

2. He is working on the __reliability of a new engine.

3. During the Industrial Revolution ___steam engines appeared.

4. Many new sources of energy are used nowadays.

5. We pay much attention to __design of new devices.

6. We have a good __opportunity to work at industrial enterprises of our

city.

7. The profession of an engineer is always in great _demand.

ру не умеет читать по - и по-.

1)прошедшее

время: гулял,жил ,работал,делал,разговаривали,шёл.

  2)настоящее время: играю,пишу,смотрю,купаются,готовлю,готовит,читает,вертит,несётся.

3)будущее

время: смеяться,читать ,есть,пить ,кормить ,наряжать, одевать ,строить ,напишу,выучу.

  1) elapsed time: walking, living, working,doing, talking,walking.

  2) currently:   i play,write, watch, swim,cook, cooks, reads,violin,lucky.

3 ) futuretimeto laugh, read,eat, drink,feed,dress, dress, build,write,will learn.