牧羊人每天都要确保羊群安全过夜。

The ___shepherd makes sure the sheep are safe every night.

导游带领游客穿过拥挤的市场。

The tour guide ___shepherded the visitors through the crowded market.

农夫每天清晨都要赶着羊群去牧场吃草。

Every morning, the farmer ___shepherds the flock to graze in the meadow.