题目内容：
________Pacific Ocean is________very large sea to the west of North and South America, and to the east of Asia and Australia.
A．The ; a B．A ; the
C．The ; the
D．A ; a
参考答案：
答案解析：
单选题：________Pacific Ocean is________very large sea to the west o
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B．A ; the
C．The ; the
D．A ; a