问题
选择题
Only after Mary read her composition the second time_________ the spelling mistake.[ ]
A. did she notice
B. she noticed
C. does she notice
D. she has noticed
答案
答案：A
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Only after Mary read her composition the second time_________ the spelling mistake.[ ]
A. did she notice
B. she noticed
C. does she notice
D. she has noticed
答案：A