About two _________boys took part in the running race. 
#51585
A
hundred
B
hundreds
C
hundreds of
D
hundred of
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                  of the students in my school are girls.
#51249
A
Two fifths
B
Second fifths
C
Two fifth
D
Fifth two
We know that 80          of the cases of blindness can          .
#51508
A
per cents; cure
B
percent; cured
C
per cent; be cured
D
percent; are cured
—Can I help you? —Yes. I want two ______ eggs.
#51353
A
dozen
B
dozens
C
dozens of
D
dozen of
 —Excuse me. Where is Mr Green’s office?—It’s on ______ floor.
#51893
A
seven
B
the seven
C
seventh
D
the seventh