Some scientists think that it may take ______years to make robots look like people,  and do the same things as us.
#51743
A
hundreds of
B
two hundreds of
C
two hundreds
D
two hundred of
推荐题目
Did you know the Earth is home to __________ animals?
#51201
A
million
B
millions
C
millions of
D
million of
_______ the teachers in the school is one hundred, and ________ of them are women teachers.
#51099
A
A number of; four-fifth
B
The number of; four-fifth
C
A number of; four-fifths
D
The number of; four-fifths
—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
          people visit the museum  every day.
#51185
A
Million of
B
3 million
C
3 millions
D
3 millions of