问题

No one knows for sure when such a custom first _____.

A:came into power
B:came into being
C:came true
D:came out

正确答案是：

同类题型

I believe that human cloning is wrong. If we toy with nature, we will have to deal with the _______.

Are you going to _______the boys’ 100-meter race

in the sofa, enjoying the beautifulmusic John had _______ out of his DVD

The door is __________.Who ______ it

When the little boy saw his mother, he_______ very excited.