Fill in the blanks with suitable words.

He has been ill __________ Tuesday.

Correct option is E

The correct preposition to use in this context is "since," which indicates the starting point of actions or events that continue up to the present. Thus, the correct sentence should be "He has been ill since Tuesday." The prepositions listed as options do not correctly fill in the blank for the intended meaning of the sentence, which is to indicate the duration from a specific point in time until now.