----- It’s smoggy these days. That’s terrible!

----- Yes, I hope to plant trees.________ trees, ______air pollution.

A. The more; the fewer B. the less; the more

C. The less; the fewer D. The more; the less

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The London Olympic Games are coming soon. This summer, Chinese sports fans will be able to watch the exciting games in 3-D on CCTV.

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