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the only one of those pronouns that's incorrect is the "it" in choice (c).
in that choice, the context of the pronoun clearly refers to the company's profits; however, “profits” is plural, while “it” is singular.
the problem in the other three choices involves verb tense; the verb “expected” is illogically in parallel with the verb "declined".
this situation is illogical because the parallelism doesn't make sense; we are talking about expectations that were in place prior to the decline in profits, and which ceased to be relevant upon that decline.
this situation -- a state that is ongoing only until another past event, and which is directly related to that past event -- is precisely the kind of situation that requires the past perfect tense, so the sentence should contain “had expected”, as in the first two choices.---- 来自Manhattan 大师Ron的权威解释··· |
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发表于 2012-2-19 11:17:38
