群山向远处绵延，逐渐消失在薄雾中。

The mountains ___stretched ___away into the distance, disappearing into the mist.

无尽的沙丘绵延横跨沙漠，在地平线与天空相接。

Endless sand dunes ___stretch ___across the desert, meeting the sky at the horizon.

中国的长城在华北地区绵延长达数千公里。

The Great Wall of China ___stretches ___for thousands of kilometres across northern China.