Во 2 не is, а was
B 3 - It is claimed that natural disasters are becoming
B 4 - все парвильно, только will меняется на would
B 5 - It is expected that a big volcano would...
B 7 - heard меняется нна had heard
B 8 - It is said that one day
Во 2 не is, а was
B 3 - It is claimed that natural disasters are becoming
B 4 - все парвильно, только will меняется на would
B 5 - It is expected that a big volcano would...
B 7 - heard меняется нна had heard
B 8 - It is said that one day