But for the help of my English teacher，I________the first prize in the English Writing Competition.
A．would not winB．would not have won
C．would winD．would have won
B

試題分析：考查含蓄條件的虛擬語氣。本題是一個含蓄的虛擬語氣句，其條件是有介詞短語but for表示出來。句意：要不是英語老師的幫助，我本不會在英語寫作大賽里得到第一名。根據(jù)句意說明是對過去情況的說明，故使用“情態(tài)動詞+have done”的形式。根據(jù)句意說明B正確。
點評：含蓄條件的虛擬語氣是通過介詞短語but for, without，或者通過上下文的語義等表現(xiàn)出來。這里也要注意具體的時間的不同，如果是對過去情況的說明，使用“情態(tài)動詞+have done”的形式。
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