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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 will give a performance __________.
A. when their school organised the prom
B. once their school organises the prom
C. before their school organised the prom
D. after their school had organised the prom
They will give a performance __________.
A. when their school organised the prom
B. once their school organises the prom
C. before their school organised the prom
D. after their school had organised the prom
Hòa hợp thì:
TLĐ + liên từ + HTĐ
Tạm dịch: Họ sẽ trình diễn một khi trường tổ chức dạ hội.
TLĐ + liên từ + HTĐ
Tạm dịch: Họ sẽ trình diễn một khi trường tổ chức dạ hội.
Đáp án B.