Some scientists think that it may take ______ years to make robots look like people, and do the same things as us.
#51234
A
hundreds of
B
two hundreds of
C
two hundreds
D
hundreds
推荐题目
There are floors in my house and my bedroom is on the______floor.
#51500
A
three; two
B
three; second
C
two; third
D
second; three
On National Day there are more than five __________ people in the zoo.
#51602
A
thousand
B
thousands
C
thousands of
D
thousand of
Mr. Green will have ____ holiday very soon.
#51773
A
two months
B
two month
C
a two-month
D
a two-months
7. There are over 300 teachers in our school,_________ of them are women teachers.
#51513
A
two fifths
B
second five
C
two five
D
two fifth