Only when he arrived home _____ that he
题型:选择题
问题:
Only when he arrived home _____ that he had left his key in the office.
A.will he realize
B.he did realize
C.did he realize
D.should he realize
Only when he arrived home _____ that he had left his key in the office.
A.will he realize
B.he did realize
C.did he realize
D.should he realize