题目内容
13.The university estimates that living expenses for international students ________ around $ 8,450 a year,which ________ a burden for some of them.( )
A. | are;is | B. | are;are | C. | is;are | D. | is;is |
分析 大学估计,国际学生的生活费用大概是一年8450美金,对一部分同学来说是一个负担.
解答 答案A.第一空的主语是前面living expenses是一个复数名词,故用are.第二空中是由which引导的一个非限制性定语从句,which指代前面"生活费用高"这件事,故此处谓语动词用第三人称单数形式.
点评 本题主要考查主谓一致以及在从句中谓语动词的用法.
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