She broke in on while we ______ a discussion on financial issues in my office.

Chọn một phương án bên dưới để kiểm tra đáp án ngay:
Đáp án chính thức: D
Hướng dẫn giải chi tiết
(AI giải đề cho tôi)
Mệnh đề 'while' diễn tả hành động đang diễn ra trong quá khứ bị hành động khác (broke in - quá khứ đơn) chen ngang, nên dùng quá khứ tiếp diễn: 'were having'. Đáp án khớp với đáp án nguồn (17. D).
Câu hỏi này trích từ đề thi chính thức:

Đề Thi KSCL Lần 1 Tiếng Anh 12 2021-2022 (Mã Đề 527)

50 câu hỏi•Thời gian 60 phút•Chấm điểm & giải thích chi tiết

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