________ is of no concern to us.
#93464
A
It rain or not
B
If or not it rains
C
Whether it rains or not
D
Will it rain or not
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Give me an undisturbed hour and I ______ the work Tom has left unfinished. 
#92642
A
see to
B
will see to
C
would be seeing to
D
have seen to
Rather than ______ on a crowded bus, he always prefers a bicycle.
#92094
A
ride; ride
B
riding; ride
C
ride; to ride
D
to ride; riding