问题

Everybody knows about it! No one knows _________ prevented the rumor from spreading.
A:what was it that
B:what it was that
C:how it was that
D:why it was that
B:what it was that
C:how it was that
D:why it was that
正确答案是:
同类题型
Fruit and vegetables are _________food.
God! Is this your room The furniture hereremains _____ with such thick dust!
Mr. Li’s question seemed ________ toanswer. Few students in his class put up their hands.
! It’s not the end of the world. Let’s try again.
My brother always goes to the library ______ Saturday morning.