Scientists think that there has been life on Earth for _______ years.
#51626
A
illions
B
millions of
C
illion of
D
illion
推荐题目
of the students in our school are boys.
#51285
A
Second-threes
B
Two-third
C
Second-twos
D
Two-thirds
There are ______________ birds there in the sky.
#51475
A
Million of
B
five millions of
C
millions of
D
five millions
After the Asian Games, ______ people came to Guangzhou for a visit during holidays.
#51846
A
thousand
B
thousands of
C
five thousands
D
five thousands of
There’re__________ students in our grade.
#51791
A
hundreds of
B
three hundreds of
C
three hundreds
D
three hundreds’
_______of the money_______been spent recycling the rubbish.
#51728
A
three fourths; has
B
three fourths; have
C
three fourth; has
D
three fourth; have