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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
They'll go abroad ______ .
A. as soon as they have finished high school.
B. while they were finishing high school.
C. after they had finished high school.
D. before they finished high school.
They'll go abroad ______ .
A. as soon as they have finished high school.
B. while they were finishing high school.
C. after they had finished high school.
D. before they finished high school.
Mệnh đề trạng từ chỉ thời gian: S + will + V as soon as S + V(s/es)
Đáp án A.