--- How many books does the little boy have?---He has         books.
#51577
A
two thousands
B
one thousand of
C
thousands of
D
two thousands of
推荐题目
Scientists think that there has been life on Earth for _______ years.       
#51626
A
illions     
B
millions of
C
illion of
D
illion
There are           months in a year. September is the           month.
#50917
A
twelve;nine
B
twelfth;nineth
C
twelve;ninth
D
twelfth;nine
This is _______ English class. I hope you can enjoy English.
#51310
A
our first
B
the our first
C
our the first
D
first the our
—How many birds can you see in the trees?—I can see            birds in the trees.
#51374
A
hundred of
B
five hundreds
C
hundreds of
D
five hundreds of