More than two ______ years ago, people knew little about the universe.
A: thousands
B: thousand
C: thousands of
D: thousand of
A: thousands
B: thousand
C: thousands of
D: thousand of
举一反三
- More than two ______ years ago, people knew little about the universe.
- More than ______ years ago, there was a war between the two countries. A: three thousand B: three thousands C: three thousand of D: three thousands of
- There are about ( ) students in our school. A: two thousand of B: two thousands C: two thousands of D: two thousand
- There are two ______students in our school. A: thousand B: thousands C: thousand of D: thousands of
- There are over two _______ workers in the factory. A: thousand B: thousands of C: thousand of D: thousands