Ответ:
They....German 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 as....as Chemistry.
difficult
I would rather ....porridge for breakfast.
have
Mr.Brown stopped....at the age of 60.
working
He will never forget....London 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
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