Question 11. These chemicals are_____________a horrible smell.

A. giving down                    B. giving off                     C. giving up                      D. giving out

Question 12. The school was closed for a month because of the_____________of coronavirus pandemic.

A. Outcome                         B. outburst                        C. outset                           D. outbreak

12. Đề thi thử THPT 2021 - Tiếng Anh - Nhóm GV MGB - Đề 12 - có lời giải