Only when he finished his homework______that he had made a mistake.A、he then rea

游客2025-02-28 42

问题 Only when he finished his homework______that he had made a mistake.

选项 A、he then realized
B、did he realize
C、before he realized
D、he realized

答案 B

解析本题考查倒装句。only位于句首时，主谓需要倒装。英语中谓语多由助动词+实义动词构成，倒装时只需将助动词提前到主语前即可。本句中助动词为did，所以句子要写成did he realize，故选B。

转载请注明原文地址:http://tihaiku.com/zcyy/3977171.html

相关试题推荐

随机试题

最新回复(0)

Theycouldn’t______himofhismistake.A、adviseB、convinceC、persuadeD、believe