Mr Green drove slowly on the way home until he reached the high way,  ______the speed limit was 60 miles per hour.   
#73247
A
because
B
which
C
where
D
that
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My mother was looking while I         the radio. 
#41312
A
listened to
B
have listened
C
was listening to
D
is listening to
____________, I still couldn’t figure out what the headmaster said at the conference.
#68032
A
Though I didn’t listen attentively
B
Attentively as I listened
C
Attentively as did I listen
D
As long as I listened