单选题
24.
Only when she had accomplished the task ______ that she had made a mistake.
A、
did she realize
B、
she then realized
C、
she realized
D、
before she realize
【正确答案】
A
【答案解析】
语法题。本题考查Only+状语位于句首引起的倒装结构,此时要把助动词或系动词或情态动词置于主语之前。再如:Only in this way can you learn English well. (只有这样,你才能学好英语。)
只是当她做完这项任务,她才意识到自己犯了一个错误。
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