(2010·福建)The girl had hardly rung the bell ________ the door was opened suddenly，and her friend rushed out to greet her.
#30449
A
before
B
until
C
as
D
since
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When a disaster occurs, all people, ________ they are old or young, rich or poor, try their best to help those in need.
#32038
A
no matter
B
whether
C
however
D
even though
— May I go and play with Dick this afternoon, Mum?No, you can’t go out _______ your work is being done.
#80085
A
before
B
until
C
as
D
the moment
------ Our holiday cost a lot of money.------ Did it? Well, that doesn’t matter ______ you enjoyed yourselves.
#29988
A
as long as
B
unless
C
as soon as
D
though