WAEC English Language 2019 Objective — Question 62

Question 62 of 145 from the West African Examinations Council (WAEC) English Language 2019 Objective paper, with the correct answer and a full explanation.

The research was carried out ____ a sample population.

A. over
B. in
C. with
D. onCorrect

Explanation

The noun 'research' collocates with 'on' when referring to what it was carried out on (the verb 'research' collocates with 'into').

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