Выберите нужную форму глагола to be 1. school education in the usa (is, was, will be) free. 2. they (are, were, will be) second-year students last year. 3. history (is, was, will be) the first lesson tomorrow.

1.School education in the USA is free.
2.They were second-year students last year.
3.History will be the first lesson tomorrow.

1.is
2.were потому что множественное число и год
3.will be потому что tomorrow-завтра