问题
More than two _______years ago, people knew little about the universe.
A:thousands
B:thousand
C:thousands of
D:thousand of
B:thousand
C:thousands of
D:thousand of
正确答案是：
同类题型
The lady _________ dancing as a hobby in her sixties, and she is really good at it now.
Boys, don’t touch the machine, or you may hurt _________.
What should we do now,Mr Clark?-Please turn to Page____and look at the____picture.
―There are many rooms in my house. I have ________ bedroom.―That sounds great.