问题

No one knew what because of the thick fog.
A:he had happened
B:had happened to him
C:had he happened
D:has happened to him
B:had happened to him
C:had he happened
D:has happened to him
正确答案是:
同类题型
Could you tell me ? – In more than 5 months.
Do you have ______Internet bar around your school?
What did Mr. Chen about the centre of town? — It has become a park.
_______ your parents eat meat every day? —Yes. But my brother only _______ vegetables.
When shall we meet again?—Make it _____ day you like. It’s all the same to me.