Fill in the blanks with the correct choice of prepositions :
"The past decade has upset many preconceptions _____ development and this makes it difficult to be overly definite _____ what the next decade has in store. Virtually every case _____ successful development involves a prior improvement _____ literacy and access _____ productive work."

Question

Accepted Answer

Here's a detailed explanation justifying why Option 3 is the correct answer and why the other options are incorrect:

**Why Option 3 ("about, about, of, in, to") is Correct:**

The sentence requires prepositions that logically connect the phrases and maintain grammatical correctness. Let's analyze each blank:

*   **Blank 1: "The past decade has upset many preconceptions _____ development..."** The preposition "about" is the most suitable here. "Preconceptions *about* development" indicates that the preconceptions *concern* or *relate to* the topic of development. It suggests that our previously held beliefs *regarding* development have been challenged.

*   **Blank 2: "...and this makes it difficult to be overly definite _____ what the next decade has in store."** Again, "about" is the correct choice. "Definite *about* what..." means to be certain *regarding* or *concerning* the future. It expresses a lack of certainty *regarding* the events of the next decade.

*   **Blank 3: "Virtually every case _____ successful development..."** The preposition "of" is appropriate here. "Case *of* successful development" indicates that we are talking about instances *of* or *examples of* successful development. It signifies a specific instance *belonging to* the category of successful development.

*   **Blank 4: "...involves a prior improvement _____ literacy..."** The preposition "in" is the correct choice. "Improvement *in* literacy" indicates that the improvement is *within* the area of literacy. It signifies progress *within* that specific domain.

*   **Blank 5: "...and access _____ productive work."** The preposition "to" is the most suitable here. "Access *to* productive work" indicates the ability to *reach* or *obtain* productive work. It signifies the opportunity *to* engage in productive work.

**Why the Other Options are Incorrect:**

*   **Option 1 ("to, in, of, about, in"):**
    *   "Preconceptions *to* development" is grammatically awkward and doesn't convey the intended meaning.
    *   "Definite *in* what..." is not idiomatic.
    *   "Improvement *about* literacy" is incorrect; improvement happens *in* a field, not *about* it.

*   **Option 2 ("about, of, about, of, in"):**
    *   While the first and third prepositions are correct, "improvement *of* literacy" is less precise than "improvement *in* literacy." The latter clearly indicates the area where progress is being made.
    *   "Access *in* productive work" is grammatically incorrect.

*   **Option 4 ("for, for, for, in, of"):**
    *   "Preconceptions *for* development" suggests a purpose or intended recipient, which doesn't fit the context.
    *   "Definite *for* what..." is not idiomatic.
    *   "Case *for* successful development" suggests an argument in favor of it, not an instance of it.
    *   "Access *of* productive work" is grammatically incorrect.

In summary, Option 3 provides the most grammatically correct and logically sound prepositions to fill the blanks, making it the correct choice. The other options contain prepositions that create awkward phrasing or alter the intended meaning of the sentences.