问题

Scientists have many theories about how the universe_____

A:came into being
B:was coming into being
C:had come into being
D:would come into being

正确答案是：

同类题型

The room was decorated gold and jewels

who______it be that is knocking at the door —It_______be Father, but I’m not sure.

eme, I wonder if you can help me—Sure_______

Have you _____ the invitation to theparty ——Yes， I have. And I’ve ______ it.

This is _____ ID card.