Explanation

He was ill with a fever

وہ بخار سے بیمار تھا۔

The phrase "ill with fever" is the correct way to describe someone suffering from a fever.

The preposition "with" is used to indicate the illness or condition affecting the person.

The other options ("ill to fever" and "ill by fever") are grammatically incorrect.

Explanation

This house is large, but it is quite old-fashioned."

:

The conjunction "but" is used to contrast the two ideas — the house being large and old-fashioned at the same time.

Explanation

Surreptitious  مخفی

secret راز

Explanation

The sentence "Diana will have sung the song" is correct because it uses the future perfect tense 

Structure: The structure for the future perfect tense is:

Subject + will have + past participle of the verb

In this case: Diana (subject) + will have (auxiliary verb) + sung (past participle of "sing")

Explanation

An adverb of frequency is used to indicate how often something happens (e.g., always, often, rarely, never).

It answers the question "How often?"

Explanation

 Declarative sentences, which make a statement, typically end with a full stop (.)

The period (.) is placed at the end of declarative sentences, statements thought to be complete, and after many abbreviations.

Explanation

"history; it is to be," is "History: it is to be" because:

The colon (:) is used to introduce an explanation, elaboration, or a list related to the preceding clause.

The semicolon (;) is typically used to connect closely related independent clauses or to separate items in a complex list. 

Explanation

Scratch my back and I'll scratch yours means If you do me a favor, I'll return it."

Explanation

A phrase consists of a group of words that work together to convey a particular meaning, like "in the morning"

Explanation

I was given a book by her.

Given sentence is in simple past tense and it is in active voice.

Rule:

Subject + (was/were) + V3 + Other agents