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
推荐题目
There are __________ oranges on the table.
#51814
A
three
B
third
C
the third
D
the three
 _________ the people lost their lives in the traffic accident. 
#51894
A
Three hundred
B
Three hundred of
C
Three hundreds of
D
Hundred of
More than _____children took part in activities last month.
#51867
A
two thirds
B
thirds second
C
second three
D
two third
Our teacher said there would be ______ books in the new library.
#51524
A
thousand
B
thousands
C
thousands of
D
thousand of
My bedroom is about __________ of the size of yours.
#51725
A
two-three
B
two-threes
C
second-three
D
two-thirds