An adjective is required after the verb ‘to be’. Illiterate is the adjective describing a person who lacks basic reading and writing skills.
The word ‘little’ must be followed by an uncountable noun. Enlightenment refers to the state of being informed or enlightened about a cause.
An adjective is needed to modify the noun ‘decision’. An informed decision is one made based on knowledge of the facts.
An adverb is required to modify the verb ‘examined’. Suspiciously describes the manner in which Jack looked at the parcel.
The structure ‘help someone do something’ requires a base verb. Disambiguate means to remove uncertainty or to distinguish clearly.
An adverb is needed to modify the comparative adjective ‘more precious’. Incomparably means to a degree that cannot be compared.
An adjective is required after the adverb ‘extremely’ and the verb ‘is’. Knowledgeable means having or showing much knowledge.
A verb in the Past Simple tense is required, following the context provided by ‘were’. Originated means to have a specified beginning.
A noun is needed after the adjective ‘constant’. Sleeplessness is the state of being unable to sleep.
The structure ‘It is adj to V’ requires a verb. Distinguish is the verb form meaning to recognize a difference.
An adjective is needed to modify the noun ‘insects’. Industrious means hardworking or diligent.
An adjective is required before the noun ‘skill’. Cognitive relates to the process of acquiring knowledge and understanding.
An adverb is required to modify the verb ‘hit’. Purposely means intentionally or on purpose.
An adjective is needed after the adverb ‘very’. Discouraging means causing someone to lose confidence or enthusiasm.
A noun is required after the demonstrative ‘this’ and the adjective ‘dreadful’. Drought is a prolonged period of abnormally low rainfall.
An adjective is required before the noun ‘places’. Uninhabited (without inhabitants) or uninhabitable (unfit for living) both fit the grammar here.
In a Type 3 conditional, ‘hadn’t’ must be followed by a Past Participle (V3). Economized/economised means to reduce expenses.