Tham khảo tài liệu 'the 4000 words essential for an educated vocabulary part 16', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 152 Vocabulary 4000 Solutions to Drill IV 1. Common knowledge tells us that sensible exercise and eating properly will result in better health. A eating properly will result B proper diet resulted C dieting will result D proper diet results E eating properly results Choice A is incorrect since eating properly verb-adverb is not parallel to sensible exercise adjective-noun . Choice B offers two parallel nouns exercise and diet. However a general truth should be expressed in the present tense not in the past tense. Choice C is not parallel since it pairs the noun exercise with the gerund a verb acting as a noun dieting. Choice E makes the same mistake as choice A . Choice D offers two parallel nouns exercise and diet and two parallel verbs tells and results. The answer is D . 2. This century began with war brewing in Europe the industrial revolution well-established and a nascent communication age. A war brewing in Europe the industrial revolution well-established and a nascent communication age. B war brewing in Europe the industrial revolution surging and a nascent communication age. C war in Europe the industrial revolution well-established and a nascent communication age. D war brewing in Europe the industrial revolution well-established and the communication age beginning. E war brewing in Europe the industrial revolution well-established and saw the birth of the communication age. Choice A is incorrect. Although the first two phrases war brewing in Europe and the industrial revolution well-established have different structures the thoughts are parallel. However the third phrase and a nascent communication age is not parallel to the first two. Choice B does not make the third phrase parallel to the first two. Idiom Usage 153 Choice C changes the meaning of the sentence the new formulation states that war already existed in Europe while the original sentence states that war was only developing. Choice E is not parallel since the first two phrases in the series .