2. 外语
  3. Only when he finished his homework______that he had made a mistake.

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

admin2019-07-18  1
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:https://jikaoti.com/ti/cpDYFFFM
0

成人本科学位英语

相关试题推荐
随机试题
最新回复(0)