问题
Only when he met the girl his aunt introduced to him ____ that he had seen her before. [ ]
A: he realized
B: he did realize
C: realized he
D: did he realize
B: he did realize
C: realized he
D: did he realize
正确答案是：
同类题型
In the spring of 2003 , when SARS spread all over the country , people _____a panic .
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Do you have other _____ to make on the subject
I hope to take the computer course.- Good idea. _______ more about it, visit this website.