问题

Between 4.5 and 3.8 billion years ago, the earth became so ______ that it was not clear whether the shape would last or not.

A:genuine
B:etweenslight
C:solid
D:violent

正确答案是：

同类题型

Does Mike play basketball every day— He ________ that way, but now he playsonly on Sunday.

.The doctor suggested that I should have a balanced diet ____ just protective food.

__process, which maylast for years

She wanted to put the table in the bedroom but it was too large to go________ the door.

Judy used to be ____________. Now she’s very shy.