A warning news report from Qatar announces that a group of Islam will continue to kill Americans wherever they are ________ they leave the Arab world forever.
#80250
A
even though
B
in case
C
whenever
D
until
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Please remind me of the meeting again tomorrow ________I forget.
#30882
A
though
B
so that
C
in case
D
until
Hard _____ he tried, he failed to catch up with the first runner.
#32786
A
although
B
as
C
while
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when
Please tell me ______ you are getting on with your new classmates.
#30998
A
whether
B
how
C
what
D
where