导游小心翼翼地带领游客穿过拥挤的景区。

The tour guide carefully ___shepherded the visitors through the crowded scenic spot.

这位老人每天早晨都会牧羊到山坡上。

The old man ___shepherds his sheep to the hillside every morning.

他小心翼翼地引导这个新项目通过了所有阶段。

He carefully ___shepherded the new project through all its phases.