The uniform makes us look like a bunch of clones, especially _______ we are doing morning exercise in the playground.
#80169
A
since
B
which
C
As
D
when
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The question _______ we can get enough coal for the winter has not been cleared up yet .
#33883
A
that
B
if
C
which
D
whether
I think you should end it _______ it’s too late, or you may be sorry about it later.
#33286
A
after
B
when
C
until
D
before