Why was the house on fire? _______ lightning hit it.
#57989
A
Because
B
Since
C
As
D
Because of
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—Where’s my cat, Bill? —There aren’t any cats here, ___________ there’s a little dog.
#58203
A
but
B
and
C
or
D
with
Tom didn’t understand the text ________ the teacher explained it to him.
#58317
A
when
B
while
C
until
D
since
Rick has learned a lot about Chinese culture _____ he came to China.
#55330
A
before
B
when
C
until
D
since
