Explanation

"Exposure" fits here as it suggests a deep familiarity and understanding of the subject.

It helped minimize students' doubts.

Explanation

The phrase is: "If wishes were horses, beggars would ride."

This is a common English idiom that means that wishes are not enough to make something happen; it takes more than just wishing for something to become a reality.

The phrase is often used to convey that simply wishing for something is not enough; it requires effort and action to achieve it.

Explanation

The correct sentence is "Najma is in hospital; she has been ill for the last few weeks."

"Has been" is used here as it refers to an ongoing condition in the present perfect tense.

Explanation

Explanation

This structure describes how you travel somewhere.

by + train, car, boat, plane, taxi, bus, coach

Explanation

"When in Rome, do as the Romans do."

جب روم میں ہو تو رومیوں کی طرح کرو۔

It means to adapt to the customs or behavior of the local culture when in a foreign place.

Explanation

Preside over is a phrasal verb.

Preside over means صدارت کرنا

He will preside over the function. 

Explanation

The sentence should read: "My father was so poor that he could not buy us food."

This sentence is a common idiomatic expression used to describe someone's extreme poverty.

The phrase "so poor" is an intensifier, emphasizing the extent of the poverty, and the clause "that he could not buy us food" explains the severity of the situation.

Explanation

Out is defined as away, in the open, into existence, visible or clearly.

An example of out is having a date, to go out.

Explanation

"The sentence is in the present perfect tense, indicating an action that started in the past and continues to the present.

'Have resigned' is the correct phrase to use, showing that seven people left their job."