– Can you come to my birthday party? – I’m sorry, ______ I can’t come.  
#55933
A
and
B
but
C
or
D
then
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        Mr. Green is 70 years old ,          he looks young.
#56284
A
Although; /
B
Although; and
C
/ ; /
D
Although; but
 Don't be afraid of asking for help ______it is needed.
#55352
A
when
B
after
C
although
D
unless
     he is ill,       he goes to school.
#56207
A
Although ; but
B
/,/
C
Although ;/
D
But; although