powerprep farmers collateral & dead children & cold

juaz i know what the answers are, i needed an explanataion. powerprep gives you the correct answer, just not why

E

A,B,C straight away can be eliminated becuase declining values is a plural word and plural verb "are" has to be used.

between D and E, E is more precise in terms of usage. You always say collateral against which x borrows

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B

POE:

C and D can be eliminated because adjective "USUAL" has to be used instead of adverb "USUALLY" to modify noun.

Now among A, B and E ->> wetter than usual is more concise and idiomatic expression. This eliminates A & E

B is the correct answer.

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B
In this question present perfect tense has to be used.

POE:

many people Who ... is the correct usage. "that" cannot be used, hence A & C can be eliminated.

this leaves with B,D,E

E can be eliminated because if you look at the statment there is a work "now" which indicates that the statement is a present perfecte tense

between B & D

B is more precise and correct.
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perfect thank you vay. i don't know how i miss important clues like the word 'now' but that is exactly the explaantion i needed