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    Question

    In the question given below, a sentence is given with

    three blanks. Choose the correct combination of blanks that fit in the corresponding blanks. In the case that all three words fit in the sentence but are given in incorrect sequence choose option (D). In the case that all three words fit in the sentence in the same sequence as given, i.e., (A), (B), (C), choose option (E). People should__(A)______ that development cannot come at the ____ (B) _____ of environmental destruction because it will lead humanity__(C)_____ the path of extinction. A. Realise B. Costly C. Under
    A Only A is correct Correct Answer Incorrect Answer
    B Only B is correct Correct Answer Incorrect Answer
    C Only A and C are correct Correct Answer Incorrect Answer
    D Sequence should be altered Correct Answer Incorrect Answer
    E All are in correct sequence Correct Answer Incorrect Answer

    Solution

    In A, we need a verb in the present tense that is compatible with the modifier SHOULD. The sentence talks about how people need to understand that the environment needs to be protected. In B, we need a noun that completes the idiomatic expression AT THE COST/EXPENSE OF something. The sentence talks about how development cannot come at the expense of the environment. COSTLY is an adjective and is hence inapplicable here. In C, we need a need a preposition that is compatible with the verb LEAD and the object PATH. The sentence talks about how environmental destruction may cause humans to go extinct. UNDER is incorrect here because LEAD DOWN THE PATH is the correct usage. Hence, (a) is the correct answer.

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