THERE ... A LOT OF CHANGES IN THE PAST FEW YEARS.A. HAS BEEN B. WA...

Lớp 10 Tiếng Anh Tổng hợp Đề ôn thi vào lớp 10 môn tiếng Anh năm học 2017 - 2018

36. There ... a lot of changes in the past few years.A. has been B. was C. were D. have been