Choose the underlined part that needs correction in each of the following questions.

Câu hỏi

We have conducted exhausting research into the effects of smartphones on students’ behaviour and their academic performance.

A. exhausting research

B. into

C. behaviour

D. academic performance

Đáp án
A. exhausting research

Câu hỏi thuộc Bài tập:

MỤC TIÊU 5+ CHO ĐỀ THI GIỮA KÌ 1 (23-24)(NGỮ PHÁP-HÌNH THỨC TỪ-SỬA LỖI SAI)