(2013·四川省乐山一模)The pupils were playing games in the classroom ________ a gunman entered and began shooting wildly at them.
#30425
A
while
B
when
C
as
D
before
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____the plan has been made, let’s get down to ____it out.
#80078
A
Now that...carry
B
Because...carry
C
Since...carrying
D
Now...putting