TheyGerman courses these three months.
are attending
Jack...always at the lesson!
is chewing
My friends...around the city for many hours and were tired.
had been walking
Physics is asas Chemistry.
difficult
I would rather porridge for breakfast.
have
Mr.Brown stoppedat the age of 60.
working
He will never forgetLondon for the first time.
visiting
It was kind of you us to the party.
to invite
You speak loudly at the library. It's forbidden.
mustn't
It be Bill's car. He sold his car last month.
can't
This news on TV recently.
has been announced
Ted said that his project by next Monday.
would have been finished
If she had been more attentive, she... so many mistakes in the test.
wouldn't have made
I would have helped you to translate the article if I German.
had known
Steve couldn't use his printer yesterday. It the whole day.
was being fixed
Did you remember seats for the theatre performance?
to book
I wish you more polite and patient.
were
Susan wondered if Helen her exam successfully the previous week.
had passed
We won't start until everyone
arrives
Let's take part in this contest, ?
shall we
Объяснение:
Long ago, artists made the camera obscura. The camera obscura was a smail. dark room with ahole in one wall. In this room light went throuhg the hole and apicture appeared on the wall opposite the hole.
2) Nowadays, when we press the button on top of a modern camera, the shutter opens. The light goes through the lens and the film records the picture
Давным-давно художники сделали камеру-обскуру. Камера-обскура была маленькой, темная комната с дырой в одной стене. В этой комнате свет проникал через дыру, и на стене напротив дыры появился рисунок.
В настоящее время, когда мы нажимаем кнопку поверх современной камеры, открывается затвор. Свет проходит через объектив и пленка записывает картину
bicycle helmet