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The little boy was allowed to go swimming _______ he kept near the other boys. 
#31481
A
provided that
B
in case
C
now that
D
by the time
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——May I go to play football with Mike now, Dad? ——No, you can’t go out ______ your homework is being done. 
#32515
A
as
B
until
C
before
D
after
(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
She says that she’ll have to close the shop ________ business improves.
#31192
A
if
B
unless
C
after
D
when
This coat will lose its color ___________ it's washed.
#80326
A
as
B
after
C
until
D
while
Words don’t have the power to hurt you, _______ the person who said them means a lot to you. 
#30903
A
if
B
unless
C
until
D
whether
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