It is predicted by the experts that water shortage is not far away, it would be a need of the hour to ____________ our water usage.

Select exactly two answer choices that best complete the sentence and produce sentences that are alike in meaning.

i. limit

ii. intensify

iii. amplify

iv. assuage

v. curtail

vi. pacify

a) i and iii
b) i and v
c) ii and iii
d) iv and vi