I think that before I graduate in 2030, I _________ quite a few exams.
A. will do
B. will have done
C. will be doing
D. do
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Dấu hiệu: before I graduate in 2030 =>sử dụng thì tương lai hoàn thành để diễn tả một hành động xảy ra trước một hành động trong tương lai.
Cấu trúc: before S + V(s, es), S + will have Vp2
=>I think that before I graduate in 2030, I will have done quite a few exams.
Tạm dịch: Tôi nghĩ rằng trước khi tốt nghiệp vào năm 2030, tôi sẽ làm khá nhiều bài kiểm tra.
Đáp án cần chọn là: B
By the time the new policy comes into effect I’m sure there _____ some changes
I like looking at these pictures, but I.............enough by lunch time.
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.
Can we start the party at 3 o'clock? - I don't think so. All our guests ________ by then, I'm afraid.
Before they get to the airport tomorrow afternoon, they _______________ lunch with us.
These machines _______ very well by the time you ________back next week.
