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
Ten dollars is not enough to buy the bag. Could you give me ________ dollars, mum？
#50965
A
more five
B
five
C
some
D
another five
It is reported that people throw_____ plastic bags along this street every day.
#51408
A
hundred
B
hundreds
C
hundred of
D
hundreds of
--The number of the students in our school very big.--About 9 students.
#51670
A
are, hundred
B
is, hundreds
C
are, hundreds
D
is, hundred
There are eight ___________ students in our school.
#51601
A
hundred
B
hundreds
C
hundreds of
D
hundred of