Поставьте глаголы в Past Indefinate,Past Continuous или Past Perfect
 when does coach (to return) the students (to do)  the forth  exercise
the students (to do) all the exercises before the coach( to return)
we(to  discuss )two important questions at last meeting 
the  runner already (to set)a new record before his friend came to the contest 
we(to  discuss )all the problems by 5 o"clock in the evening
when you phoned the students (to do)morning exercises

Ответы

Ответ дал: inprok
3
1) When the coach returned the students had done the forth exercise.
2) The students had done all exercises before the coach returned.
3) We discussed two important questions at last meeting.
4) The runner had already set a new record before his friend came to the contest.
5) We had discussed all the problems by 5 o'clock in the evening
6) When you phoned the students were doing morning exercises.
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