Some scientists believe that there will be more robots in       years.
#50952
A
hundreds of
B
hundred of
C
two hundreds of
D
two hundreds
推荐题目
There are two _____people living in the city.
#51196
A
hundreds
B
million
C
millions
D
thousands
There are ____ stars in the sky and you can see them at night.
#51590
A
thousand of
B
two thousands
C
thousands of
D
two thousands of
People usually think lions are _____ scary.
#51742
A
kinds of
B
kind
C
a kind of
D
kind of
Three _________ the students visited the museum yesterday.
#51647
A
hundreds of
B
hundred
C
hundred of
D
hundreds
_______ children in Africa have little food to eat, and we can help them.
#51644
A
Million
B
A millions
C
Millions of
D
Millions