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We must do something to protect the earth, ____we will lose our home.
#56833
A
and
B
or
C
so
D
but
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Peter wasn’t late for the meeting           he missed the ferry.
#56198
A
though
B
because
C
while
D
if
---I don’t think an aged woman should eat so much sweet food. ---I agree with you, ______ I like chocolate so much that it’s already part of my life. 
#57927
A
but
B
so
C
and
D
or
 As we all know the H1N1 Flu is so serious, students can’t go into the school _______ they take the temperature and get sure they don’t have a fever.
#55588
A
till
B
after
C
when
D
until
I usually sleep with the window open _____ it’s very cold.
#58323
A
until
B
unless
C
when
D
if
I don't like bread. I won't eat it ______ I am very hungry.
#57232
A
if
B
when
C
as
D
unless
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