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It may take _________ years to make such robots .        
#51467
A
hundred of
B
two hundreds
C
hundreds of
D
hundred
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Don’t be angry.(别生气) She is only        child.
#51611
A
a eight-year-old
B
an eight-year-old
C
an eight-years-old
D
a eight-years-old
Their school has more than two _____ teachers and _____ students.
#51538
A
hundreds of, thousands of
B
hundred, thousands of
C
hundred of, thousand
D
hundreds, thousands of
There are two ____ boys in my school.
#51758
A
hundreds
B
hundred
C
hundreds of
D
hundred of
We often plant _______trees every year.
#51640
A
thousand
B
thousand of
C
thousands of
D
thousands
The earthquake killed __________ and animals.
#51810
A
thousands of people
B
thousand people
C
thousand of people
D
thousands of peoples