Martin drove along for more than one hour _____he found a convenient parking place.
#31714
A
after
B
once
C
until
D
Since
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—I must apologize for ______ ahead of time. —That’s all right. 
#32100
A
not letting you to know
B
not letting you know
C
letting you know not
D
letting not you know
__________ David could remember, he had never said an angry word to that customer.
#33588
A
As far as
B
As long as
C
As well as
D
As much as