SCIENTISTS HAVE INVENTED WALLS AND WINDOWS THAT CAN BLOCK OUT THE NO...

Câu 14: Scientists have invented walls and windows that can block out the noise, which allows individuals to

focus on their work without____________.

A. be disturbed B. disturbing C. being disturbed D. being disturbing

Blacken the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.