Question

He sat beneath a shady tree slowly chewing.
of grass. (blade/bar)

Answer 1

THE RIGHT ANSWER OF THIS QUESTION WILL BE BLADE

Answer 2

Collective Noun

Question:

He sat beneath a shady tree slowly chewing __________ of grass. (blade/bar)

Explanation:

Collective nouns are used to represent a group of something.

Some examples of collective noun are as follows:

• packet of letters
• pair of shoes
• quiver of arrows
• range of mountains  
• sheaf of grain
• blade of grass
• book of notes
• bouquet of flowers
• bowl of rice
• bunch of keys
• bundle of sticks
• catalogue of prices
• chest of drawers
• cluster of coconuts
• cloud of dust
• party of friends

Answer is blade.

So the sentence is He sat beneath a shady tree slowly chewing blade of grass.