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1) in we the classroom we

2) Mary new a has pencil got

3) Old children how are your?

4) Friend are my engineers

1) We are in the classroom. 2) Mary has got a new pencil.

3) How old are your children?

4) Engineers are my friend (s). (в задании ошибки инженеры множ. число а друг ед. число так не должно быть) в 1 предложении вообще нет глагола.

We were in the classroom

Mary has got a new pencil

How old are children?

My friends are engineers.