參考答案及解析：

　　1.The correct answer is B

　　Explanation

　　The error in this sentence occurs at (B), where there is an inappropriate verb form. It does not make sense to say that George would prepare for a speech that “he was given” (that was given to him). Instead, “he was to give” is needed.

　　2.The correct answer is D

　　Explanation

　　The error in this sentence occurs at (D), where there is an illogical comparison. It does not make sense to compare “rooms on the top floors” with “the lower floors.”

　　3.The correct answer is B

　　Explanation

　　The error in this sentence occurs at (B), where an inappropriate verb form creates a sentence fragment. To fix this problem, the phrase “sharks, living” should be changed to “sharks live.”

　　以上就是這3道SAT語法句子改錯練習題的全部內容，非常詳細，后面附有詳細的答案解析。大家在備考自己的SAT語法考試的時候，可以加強練習相關題目。