Only after Mary read her composition the second time ________ the spelling mistake.(2012·天津)
A．did she noticeB．she noticed
C．does she noticeD．she has noticed
A
考查倒裝和時態(tài)。句意：只有瑪麗把作文讀了第二遍之后，她才注意到拼寫錯誤。當only＋狀語位于句首時，主句要部分倒裝。因此可先排除B和D。由句中的“Mary read”可知，動作發(fā)生在過去，因此選did she notice。
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