More than two _______years ago, people knew little about the universe.
#51657
A
thousands
B
thousand
C
thousands of
D
thousand of
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 It took _________ people _________ the work. 
#51447
A
hundreds of, finishing
B
hundred of, to finish
C
hundreds of, to finish
D
hundred of, finishing
 It’s an international school,_____of the students _____ from foreign countries.
#51242
A
two-third; are
B
second-thirds; is
C
two-thirds; are
D
two-three; is
110,206 should be read __________. 
#51769
A
one hundred and ten thousand, two hundred and six
B
one hundred and ten thousands and two hundreds and six
C
one hundred and ten thousand and two hundred and six
D
one hundred, ten thousand, two hundred and six
Wednesday is the __________ day of a week.
#51304
A
fifth
B
fourth
C
forth
D
third