问题
选择题
Only when he got on the train _________ that he had left his mobile phone at home.
A.he realized
B.he had realized
C.had he realized
D.did he realize
答案
答案:D
考查:only+状语放在句首,使用部分倒装。根据时态所以选D。
Only when he got on the train _________ that he had left his mobile phone at home.
A.he realized
B.he had realized
C.had he realized
D.did he realize
答案:D
考查:only+状语放在句首,使用部分倒装。根据时态所以选D。