16．Had I spent more time in preparing for the exam，Iwouldn't have failed （in/on） it．（fail）
要是我多花點時間準備這場考試，我就不會不及格了．

分析 要是我多花點時間準備這場考試，我就不會不及格了．

解答 答案：wouldn't have failed （in/on）．考查虛擬語氣．Had I spent more time in preparing for the exam表示"要是我多花點時間準備這場考試"，這是一個表示跟過去事實相反的說法，省略了If，用了倒裝，所以主句用wouldn't have failed （in/on）．

點評 考查漢譯英．
虛擬語氣里，如果表示與過去事實相反的情況
從句用：主語+had+done
主句用：主語+should/would/could/might+have done　
eg：
1． If I had got there earlier，I should/could have met her．如果我早到那兒，我就會見到她．（事實：去晚了）
2．If he had taken my advice，he would not have made such a mistake．如果他聽我的勸告的話，就不會犯這樣的錯誤了．（事實：沒有聽我的話）

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