By 2050, this area_____turned into an industrial centre.
A. will be
B. will have been
C. will
D. has
Dấu hiệu nhận biết: By 2050 =>sử dụng thì tương lai hoàn thành để diễn tả một hành động xảy ra trước một thời điểm trong tương lai
Cấu trúc: S + will have Vp2
=>By 2050, this area will have been turned into an industrial centre.
Tạm dịch: Đến năm 2050, khu vực này sẽ được biến thành một trung tâm công nghiệp.
Đáp án cần chọn là: B
By the time the new policy comes into effect I’m sure there _____ some changes
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I know by the time Jack and Marry__________ my house this afternoon, I ______out for a walk.
After Viet _________________in 5 minutes, his friends come back here.
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These machines _______ very well by the time you ________back next week.