Today,we’ll discuss a number of cases ___ beginners of English fail to use the language properly.

A.which                                 B.as

C.why                                   D.where

 

【答案】

 D

解析：where引導定語從句，作case的定語，表示討論了英語初學者不能適當使用英語的個案。which引導定語從句時，在從句指物，作主語、賓語或表語。as引導定語從句時，作主語、賓語或表語，意為“正如”。why引導定語從句時，其先行詞是reason。

 

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