Explanation

The correct preposition is "to" because it indicates the direction of the action of speaking.

We say "talk to someone" when referring to communication with a person.

Explanation

In passive voice, the object of the active sentence becomes the subject.

"A song is not sung by him" is the correct passive construction for the present tense.

Explanation

Agree and Disagree are antonyms — words with opposite meanings.

Pull and Push are also antonyms, matching the same relationship.

Explanation

In this context, a "realistic price" means a fair and reasonable price based on market value.

Correct sentence: I decided to sell a piece of land when I was offered a more realistic price.

Explanation

"According to" is a prepositional phrase that shows the relationship between the students' actions and the teacher's instructions.

It functions to modify the verb "act" by explaining how the students act.

Explanation

"Will have finished" is future perfect tense.

It used for an action that will be completed before a specific time in the future.

The phrase "By the time I go to bed tonight" clearly indicates a future time limit, making this tense appropriate.

Explanation

"The" is used before a specific noun that is known to the listener/reader — here, it's the specific teacher who taught us Science.

It implies there is only one particular teacher being referred to, making the definite article "the" appropriate.

Explanation

"Whom we met on holiday" cannot stand alone as a complete sentence; it depends on the main clause ("Have you seen those people"), so it's a dependent clause.

It provides extra information about "those people" and begins with the relative pronoun "whom".

Explanation

Lest is used to express a negative purpose or warning, meaning to avoid the possibility of something happening.

The correct structure after lest is a verb in the subjunctive mood (without do, does, or will).

Explanation

Cling means to hold on tightly.

Cede means to let go or surrender.

Cling means مضبوطی سے تھامنے کے لئے

Cede means جانے یا ہتھیار ڈالنے کے لئے