Some scientists believe that there will be more robots in       years.
#50952
A
hundreds of
B
hundred of
C
two hundreds of
D
two hundreds
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Each of us has to write a ________ report every two weeks.
#51875
A
two-hundred-word
B
two-hundreds-word
C
two-hundreds-words
D
two-hundred-words
Please pass me two---------.
#51794
A
pieces of paper
B
pieces of papers
C
pieces paper
D
piece papers
________ people died in the war.
#51856
A
Two thousands
B
Thousands of
C
Two thousands of
D
Two thousand of