问题

Only when he left home ______ how much he loves his parents. [ ]
A: did he know
B:AIDU_
C: he knew
D: he had knew
B:AIDU_
C: he knew
D: he had knew
正确答案是:
同类题型
University students who take out a loan to pay for their studies may be seriously when they graduate
Our skin, if ______ to sunlight for a long time, can become darker.
Do you have _____ apples— Sorry, I don’t have ____, but I have _____ oranges.
Learning to write is learning to think. You don’t know things clearly you can write them down.