问题

Wang Lin failed to be admitted by Hong Kong University 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

正确答案是：

同类题型

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Thanks for listening to my problem and giving me your advice, Amy.— _____________. That’s what friends are for.

. Peter drives ______ Amy, so it will take Peter _______ time to get to the hotel.