His parents are _____ computer engineers.
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Look at those students. Some are cleaning the windows, ______ are sweeping the floor.
A. the other
B. other
C. others
There isn't _____ chalk in the classroom. Please get ____ for me.
A. any, some
B. any, any
C. some, any
There are many students outside the school gate at that time, but I knew ____of them .
A. none
B. every
C. everyone
Is that coat ____ ? No, it's ____.
A. your brother, mine
B. your brother's, mine
C. your brother's, me