Theword'incalculable'means______. A: easytotell B: verygreat C: difficulttotell D: verysmall

The word ‘incalculable’ means ________. A: easy to tell B: very great C: difficult to tell D: very small

______, the damage would be incalculable. A: Should such a disaster occur B: If such a disaster had occurred C: Had such a disaster occurred D: If such a disaster should be occurred