考试类型: Writing > Improving Sentences

Part or all of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A.

The first 10,000 United States patents, known to be the X-patents, were burned in a fire in 1836.

A. to be

B. to have been

C. as

D. as they were

E. as being

正确答案:C

解析:

Choice (C) is correct. It avoids the error of the original by using the idiomatic “knownas” instead of the awkward and unidiomatic “known to be.”