单项选择题

（） 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

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We don’t need air conditioning, （）.

A. nor can we afford it
B. neither can afford it
C. nor we can afford it
D. neither we can afford it
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If I had remembered （）the window，the thief would not have got in.

A. to close
B. closing
C. to have closed
D. having closed
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