6000 câu trắc nghiệm tổng hợp Tiếng Anh 2024 có đáp án (Phần 19)

From 2005 to 2015, the daily expenditure of business travelers and tourists (7-fluctuate) ________ around the $200 mark, whereas people visiting relatives or friends spent roughly 60 to 80 do

Giải thích
fluctuated