问题
选择题
Only when he left home ______ how much he loves his parents. [ ]
A. did he know
B. had he know
C. he knew
D. he had knew
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Only when he left home ______ how much he loves his parents. [ ]
A. did he know
B. had he know
C. he knew
D. he had knew
答案：A