题目内容
【题目】Not until he got seriously ill _______ the importance of health.
A.he had realized
B.he realized
C.had he realized
D.did he realize
【答案】D
【解析】考查动词时态和部分倒装。句意:直到他得了重病才会意识到健康的重要性。Not until.....,位于句首句子用部分倒装,根据句意可知句子用一般过去时态,由此可知答案为D。
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