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
—Do you have enough students to carry the boxes?—No, I think we need students.
#51369
A
another
B
two others
C
more two
D
two more
—Our school is going to hold the ________ Culture Festival. —Yes! And we can take part in ________ activities.
#51080
A
Fifth; fifth
B
Five; fifth
C
Fifth; five
D
Five; five
－He buys __________ books, but he doesn’t read them at all.
#51679
A
hundred of
B
hundreds of
C
two hundreds
D
two hundreds of
I think ____ of the materials I listened to at the beginning of the exam ____ easy.
#51604
A
three fourths; is
B
third four; are
C
three fourths; are
D
three fourth; are
It’s my ___________ time to go to Beijing. I never went there before.
#50883
A
two
B
second
C
one
D
first