Only after Mary read her composition the second time _________ the spelling mistake.
A．she noticed B．she has noticed C．did she notice D．does she notice
C
【解析】
試題分析：考查Only引導的部分倒裝。Only的倒裝有兩個條件：only放在句首；且強調的是狀語。本題中only放在了句首，強調的是時間狀語從句after Mary read her composition the second time;所以后面使用倒裝句的形式；句意：只有在Mary第二空讀了她的作文以后，她才注意到那個拼寫錯誤。根據上文的read說明本句使用過去時。故C正確，
考點：考查only的倒裝
點評：部分倒裝一直都是考試的重點，only的倒裝有兩個條件：only放在句首；且強調的是狀語。另外還要注意否定詞或者半否定詞放在句首的部分倒裝句。
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