首先:OG178. In the last few years, the number of convicted criminals given community service sentences, which allow the criminals to remain unconfined while they perform specific jobs benefiting the public, have risen dramatically. (A) sentences, which allow the criminals to remain unconfined while they perform specific jobs benefiting the public, have (B) sentences, performing specific jobs that benefit the public while being allowed to remain unconfined, have (C) sentences, performing specific jobs beneficial to the public while they are allowed to remain unconfined, have (D) sentences which allow them to remain unconfined in their performing of specific jobs beneficial to the public has(E) (E) sentences allowing them to remain unconfined while performing specific jobs that benefit the public has At issue in this question is subject-verb agreement; the number... has risen must be the kernel of the main clause. Choice E, the best answer, uses a singular verb form, has, to agree with the singular subject, the number. Choices A, B, and C mistake criminals for the sentence subject and so incorrectly use the plural verb form have. In B and C the verb phrases (performing... ) do not clearly modify criminals, because another noun (sentences) intrudes 这说明,+doing分词可以修饰就近的N而不一定非要去掉comma。 其次,我认为, protecting the public.可以表示一种伴随状态的作用,应该可以作全句的状语。如 OG119. Executives and federal officials say that the use of crack and cocaine is growing rapidly among workers, (B) significantly compounding the effects of drug and alcohol abuse, which already cost business more than $100 billion a year. 这里的significantly compounding 和前面的主句就是一种伴随关系。 |