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In summer, food goes bad easily     the weather is very hot.
#56224
A
though
B
because
C
but
D
or
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Our math teacher is very kind ______ he looks very serious.
#56434
A
because
B
though
C
if
D
when
 I don’t have any brothers _______ sisters.
#55849
A
and
B
or
C
but
D
/
--        does your sister practice singing English songs? ----Twice a week.
#56345
A
How soon
B
How long
C
How far
D
How often
He had to retire(退休) early ______ poor health.
#58273
A
as a result
B
because
C
so
D
because of
       he is very poor,       he feels very happy.
#55438
A
Although; but
B
Although; /
C
Because; so
D
Because; /