It was very cold ____ they still went swimming.
#80491
A
although
B
but
C
however
D
though
They kept trying _____ they must have known it was hopeless.
#80501
A
if
B
because
C
when
D
where
I really wonder ______ he has posted me many parcels _____ we worked together . 
#80505
A
how ; after
B
why ; when
C
when ; before
D
why ; since
“What did he ask you?”“_____ I would be late.”
#80508
A
That
B
When
C
Where
D
Whether
Take a taxi , _____ you'll miss your train . 
#80516
A
and
B
if
C
otherwise
D
or
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