Miss Zhao is very helpful. She often helps us ____we are in trouble.
#58468
A
whether
B
although
C
whenever
D
however
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Which do you prefer to use to keep in touch with your friends，QQ__________MSN?
#56400
A
and
B
but
C
or
D
so
—Mom, can I watch TV?—Yes, but you must do your homework _________ you can watch it.
#55399
A
before
B
after
C
because
D
or
She was ill, she still went to work and tried her best to do the work.
#56466
A
though
B
because
C
if
D
but