题目内容
We are short ________ energy and water ________ the over population．
[ ]
A．
of; because
B．
of; because of
C．
in; because
D．
in; because of
答案：B
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题目内容
We are short ________ energy and water ________ the over population．
of; because
of; because of
in; because
in; because of