求助两个改错

teyvhf

有两道KAPLAN改错，不理解.请指教. NO.1 With adjustments for inflation, the relative cost of welfare benefits has been dropping since 1973, resulting in the welfare program now costing about 3 billion real dollars less to implement than it did. Correct: and as a result the welfare program now costs about 3 million real dollars less to implement than it did. NO.2 Although the author himself declared them unpublished, the first appearance in print if 40 poems by TS is significant event , since they provide fascinating evidence about the creative process that were engaged in by this great Modernist. Correct: since they provide fascinating evidence about the creative process in which this great Modernist engaged.

vagrant

agree with himba

himba

1，A，relative cost resulting in....,logic meaning is absurd.


2, active voice priors to passive voice .