他在寒冷的早晨穿了一件厚实的披风。

He wore a warm ___cloak on the chilly morning.

夜幕为小偷的行动提供了掩护。

The night served as a ___cloak for the thief's movements.

她用围巾遮住了脸以躲避寒风。

She used her scarf to ___cover her face from the cold wind.