Since then the number of people taking driving lessons ________ 20%. 
#102813
A
has increased to
B
increases by
C
has increased by
D
have increased by
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The old man was taking a walk, ____ by his grandson. 
#104560
A
supporting
B
supported
C
being supported
D
having supported
I got caught in the rain and my suit______. 
#102751
A
has ruined
B
had ruined
C
has been ruined
D
had been ruined