Английский
3)were studying 4)were studied
8. 1)has already mastered 2)had already mastered 3)mastered already
4)was already mastered
9. 1)were teaching 2)have taught 3)taught 4) were taught
10. 1)has studied 2)was studied 3)had studied 4)had been studied ​.

sunriseliva    3   09.06.2020 17:49    4