We were about to leave the classroom _____ it began to rain.
#94729
A
while
B
when
C
as
D
before
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I prefer _____ at home to _____ outside.
#94699
A
staying; playing
B
to stay; play
C
staying; play  
D
to stay; playing
Hardly ______________ when it began to rain.
#93840
A
had the game begun
B
began the game
C
the game had begun
D
did the game begin