单选题：Gas does accumulate in the mines around here.

题目内容：

Gas does accumulate in the mines around here. A．increase
B．spread
C．collect
D．grow

参考答案：【答案仅供学习，请勿对照自行用药等】

答案解析：

The scenery on the way was truly spectacular, with beautiful

The scenery on the way was truly spectacular, with beautiful mountains, rivers a

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