ADMICRO

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions: 

We have conducted (A) exhausting research (B)into the effects of smartphones on students’ (C) behaviour and their (D) academic performance

Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ZUNIA12
ZUNIA9
AANETWORK