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
 –Which is the smallest number of the four?--________.
#50889
A
Two thirds
B
A half
C
A quarter
D
Three quarters
There are two ____ boys in my school.
#51758
A
hundreds
B
hundred
C
hundreds of
D
hundred of
Last night I read _____book.
#51635
A
80--page
B
a 80--page
C
80 pages
D
an 80--page
My mother will have a _________ holiday next month. She'll take me to Beijing. 
#51733
A
five days
B
five -day
C
five - days
D
five day's