问题
We all know that dinosaurs lived on the Earth more than ______ years ago.
A:sixty million
B:millions of
C:anything delicious
D:million of;
B:millions of
C:anything delicious
D:million of;
正确答案是：
同类题型
Tom has ________ that he lives a happy life.
We were _____________ when we heard the _________ news yesterday.
Until today we have reached a stage ______ we have almost no rights at all..
__________ and I will get the work finished.[ ]
We believe that these mountains ______ with trees in a few years’ time.