问题
in failed to be admitted by Hong KongUniversity last year, and only then _____________the importance of English.
A:he finally 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
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With lots of trees and flowers________ here and there，our campus looks very beautiful.
Who the match— Class1! They us 3-1.
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