OG Verbal SC 74:
While some academicians believe that business ethics should be integrated into every business course, others say that students will take ethics seriously "olnly if it would be taught as a separately required course."
A. only if it would be taught as a separately required course
B. only if it is taught as a separate, required course
正确答案B, 解释中说 Conditional constructions require specific vberb tenses, A中 the verb tense in the if clause is incorrect. 这句话应该怎么理解? 需要什么动词时态?
-- by 会员 joshurman (2012/1/16 0:23:05)