They use specially trained dogs to their sheep at night.
A. take care
B. get along with
C. watch over
D. turn to
网友回答
A. take care
B. get along with
(答案→)C. watch over
D. turn to
解析：动词短语辨析。A当心；B与…相处；C看守，监视；D转向，向…求助；句意：在晚上他们使用特别训练的狗来看守他们的羊群。根据句意说明C正确。