Trắc nghiệm Tiếng Anh Toeic - Part 5 Test (Đề 1)
Xem toàn bộ quiz

AGU Group's insurance rates have remained steady ____ the last three years A. at B. by C. to D. for

1/11

AGU Group's insurance rates have remained steady ____ the last three years 

at

by

to

for

Giải thích

Chọn đáp án D