问题
He said that only after he went abroad _______ what his motherland meant to him.
A:he realized
B:he had realized
C:had he realized
D:did he realize
B:he had realized
C:had he realized
D:did he realize
正确答案是：
同类题型
May I have a rest? I have already finished ______ the report.
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Must I finish the exercise at school? — No, you don’t have to. You do it at home.