Our class is made up of 54 students, _____ are girls.
#34820
A
of which two-fifths
B
of whom two-fifths
C
two-fifth of which
D
two-fifth of whom
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Hurry up, ________you’ll miss the bus. 
#32836
A
and
B
while
C
but
D
or
 ______ you make a promise, you should keep ______.
#33692
A
Once… it
B
If… it
C
When … one
D
Although … one
_____ he thought he was helping us with the work , he was actually in the way.
#34578
A
Because    
B
If       
C
Although    
D
When