People traveling long distances frequently have to decide ______they would prefer to go by land, sea or air.
#59055
A
which
B
how
C
why
D
whether
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Go and see her whenever _____. 
#4729
A
it will be convenient to you
B
you will be convenient
C
it is convenient to you
D
you are convenient
Jenny nearly missed the flight______ doing too much shopping. 
#5027
A
as a result of
B
on top of
C
in front of
D
in need of