Explanation

Explanation

To form a question in the past tense with "was," place the verb "was" before the subject.

The sentence is a yes/no question structure: Was + subject + complement?

Explanation

The correct preposition used with "expertise" is "in" when referring to a subject or field.

So, "He has expertise in the famous world language" is grammatically correct.

Explanation

"Tweak" means to lightly adjust or provoke — here, it fits the idea of stirring consciences and causing controversy.

Editorial cartoonists aim to provoke thought and challenge opinions, making "tweak" the most suitable word.

Explanation

"Exaggeration" means making something seem larger or more important than it is.

"Expansion" relates to enlarging or stretching out.

Exaggeration means توسیع

Expansion means توسیع

Explanation

The comma connects the dependent clause "Because his father was away" to the main clause.

It correctly separates the reason from the result in the sentence.

Explanation

A diphthong is a complex vowel sound that begins with one vowel and glides into another within the same syllable.

"Toil" contains the diphthong /ɔɪ/ (as in "oil").

Explanation

In negative past tense sentences with "did not," the main verb stays in its base form (sing).

Using "did not" already shows past tense, so the verb does not change.

Explanation

"Smartest" is the superlative form.

It is used to show the highest degree among three or more things.

"Smart" is the positive form.

"Smarter" is the comparative form.

Explanation

"Usually" describes how often he sleeps — it modifies the verb "sleeps", so it is an adverb of frequency.

"Sleeps" is a verb, and "day" is a noun.