There were          different kinds of dinosaurs in the word in the past.
#51715
A
hundred of
B
two hundred of
C
hundreds of
D
two hundreds of
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_____ soldiers and doctors have been in Wenchuan to help the people there.
#51747
A
Thousand of
B
Two thousands
C
Thousands of
D
Many thousands of
I hear ________ students went to the hall to have the concert.
#51440
A
two hundred
B
two hundreds
C
hundred of
D
two hundred of
We planted          trees last year.
#51501
A
hundreds of
B
hundred of
C
five hundreds
D
five hundred of
______ of the workers in the computer factory is about two thousand, and ______ of them are women workers.
#51805
A
The number; second third
B
A number; three quarters
C
A number; half second
D
The number; two thirds