Fill in the blank with most appropriate word.

______ of adulterated food stuff being sold in the market.

Beware

The most appropriate word to fill in the blank is beware.

The word "beware" means to be cautious or on guard against something. It is a stronger word than "wary" or "aware," and it suggests that there is a real danger or risk involved. In the context of the sentence, "beware of adulterated food stuff being sold in the market," it is important to be cautious about the food that you buy, because there is a risk that it may be adulterated.

The other words do not make sense in the context of the sentence.

• Wary means to be cautious or suspicious. It is a weaker word than "beware," and it does not suggest that there is a real danger or risk involved.
• Aware means to be conscious of something. It is a less strong word than "wary" or "beware," and it does not suggest that there is any danger or risk involved.
• Cautions means to warn someone about something. It is not a verb, so it cannot be used to fill in the blank.