This machine was used -------years ago.
#51793
A
five hundred
B
five hundreds
C
five hundreds of
D
five hundred of
推荐题目
There are _______ doctors and nurses working hard in that hospital.
#51378
A
thousands of the
B
two thousands
C
thousand of
D
two thousand
Nearly _______of the earth___covered by sea.
#51046
A
three fourth; is
B
three fourths; is
C
three fourth; are
D
three fourths; are
 Look! There are           people in the supermarket.
#50948
A
two thousands of
B
thousand of
C
two thousand of
D
thousands of