问题
More than twenty_____students are having an important exam at the moment.
A:thousands
B:thousands of
C:thousand
D:thousand of
B:thousands of
C:thousand
D:thousand of
正确答案是：
同类题型
Have they finished their homework __________?
Tom took the police to the spot ____ the accident happened．
_______ the age of four, he started to learn the piano.[ ]
Would you please drive more ________, David? The train is leaving soon.
Jackie Chan donated _______ dollars to charity.. —He is an example to us all.