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 newspaper in the world are written in English.
#51782
A
Three quarter
B
Three-fourths
C
Three-fourth
D
Third-four
—Jackie Chan has donated dollars to charity.—He is an example to us all.
#51591
A
thousand
B
thousands
C
thousand of
D
thousands of
— Do you know Mozart? — Of course. He wrote _____ of beautiful pieces of music.
#51628
A
hundred
B
a hundred
C
hundreds
D
six hundred
Because of Project Hope,_______children have better lives.
#51809
A
thousand
B
thousands
C
thousand of
D
thousands of