Контрольная работа по «Английскому языку»

Заполните пропуски соответствующей формой глагола «to be» в Present, Past, или Future Simple.
I …tired. I want to go to bed.
…this student Russian or English?
They … not at the conference yesterday.
If don, t go now, I … late for the film.
She …very nice 20 years ago.
Where … you?-It,s time to have lunch.