Correct Answer: hung

Solution : The right option is the first option .

The word hung is the past tense of the verb hang , which means to be suspended above or to cover something in a way that is suspended or draped.

The sentence describes the action of the mist being suspended or lingering in the air above the valley.

The meanings of the other words are as follows:

• Swung : It refers to a back-and-forth or side-to-side movement.
• Swayed : It implies a gentle movement or influences actions or opinions.
• Dangled : That describes something hanging or swinging loosely.

Therefore, the complete sentence is: A faint mist hung over the valley.