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57. Affording strategic proximity to the Strait of Gibraltar, Morocco was also of interest to the French throughout the first half of the twentieth century because they assumed that if they did not hold it,
their grip on Algeria was always insecure. (A) if they did not hold it, their grip on Algeria was always insecure (B) without it their grip on Algeria would never be secure (C) their grip on Algeria was not ever secure if they did not hold it (D) without that, they could never be secure about their grip on Algeria (E) never would their grip on Algeria be secure if they did not hold it Grammatical construction + Verb form Conditional constructions require specc verb tenses. For a past condition, the subordinate clause introduced by if uses the past indicative, and the main clause uses the conditional
ifx happened, then y would happen. A The verb was should be the conditional would be; wordy and imprecise B Correct. This clear, concise sentence correctly uses the conditional would never be. C The verb was should be the conditional would be; pronoun it is ambiguous and could refer to either Morocco or Algeria D It, not that, should be used to refer back to Morocco;
could never be secure about their grip is awkward E Inverted word order is awkward and confusing;
it could refer to either
Morocco or
Algeria The correct answer is B. 绿色部分不明白，it不是泛指主谓宾么，为什么可以指代Algeria？ | 
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发表于 2007-6-6 11:38:00
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