Odpowiedź:
Wyjaśnienie:
1. How often do they use dictionaries ? ARE
How often are dictionaries used?
2. They became engineers in 2010. HAVE
They have been engineers since 2010.
3. When did you get a job here ? BEEN
How long have you been employed here?
4. You have to speak English at all times in class . HAS
English has to be spoken at all times in class.
5. Where do they wrap the gifts ? ARE ?
Where are the gifts wrapped?
6. The last time I wrote a CV was three years ago . WRITTEN
I haven't written a CV for three years.
7. You should hand in the essays now . BE
The essays should be handed in now.