(2008·山东，26)Occasions are quite rare ________ I have the time to spend a day with my kids.
#30483
A
who
B
which
C
why
D
when
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---Will you go to Betty’s birthday party?---No, _______invited.
#33705
A
even though
B
until
C
if
D
as long as
You should be more careful _____ you make mistakes again.
#34210
A
so that
B
in order that
C
in case
D
because
Mary and I have been close friends ______ we met each other 10 years ago.
#31498
A
when
B
since
C
until
D
as
_____ he thought he was helping us with the work, he was actually in the way．
#31504
A
Since
B
When
C
Because
D
If