Explanation

Explanation

"He seems to be quite contented with his life."

"Contented" is commonly followed by "with" to indicate satisfaction or happiness with something.

"With" is the correct preposition in this context.

Explanation

"While digging" is a present participle phrase showing an action in progress.

The main action "found" is in the past simple, matching the past event.

Explanation

The subject "It" is singular and refers to a general truth or fact.

For general truths, we use the present tense, so "is" is correct.

Explanation

"Books" is plural, so the correct verb is "are".

"Recommended" (past tense) matches with the past action done by the teacher.

Explanation

"Cities" receives the action of the verb "polluting," so it is the direct object.

The structure is: Subject (Automobiles) + Verb (are polluting) + Object (cities).

Explanation

We generally use a reflexive pronoun after enjoy.

Myself, yourself, himself are Reflexive Pronouns.

Enjoy yourself in the party.

I enjoy myself sitting alone.

Explanation

Explanation

Conjunction is a word that connects or joins clauses, words, phrases together in a sentence.

"But" is used to show contrast between two ideas — he is slow, but he is sure.

The sentence contrasts slowness with certainty.

Explanation