1). Inefficiency, need2). Inefficient, needed3). Inefficient, need4). Inefficiency, needed

1). Inefficiency, need2). Inefficient, needed3). Inefficient, need4).

1.	1). Inefficiency, need2). Inefficient, needed3). Inefficient, need4). Inefficiency, needed
Answer» The correct word in the FIRST blank must be the adjective 'inefficient' and not the NOUN 'inefficiency' as the noun 'people' is mentioned after the blank. The correct verb to be put in the second blank is past TENSE 'needed' and not the other FORMS of tense. Thus 2 is the correct answer.