Câu hỏi:
17/06/2026 322What made you think he ……….in the Royal Air Force?
A. must have to be
B. had been
C. was being
D. had had to be
Trả lời:
Giải bởi Vietjack
Câu này tạm dịch như sau: Điều gì làm cho bạn nghĩ anh ấy đã từng thuộc Lực lượng không quân hoàng gia?
- must không dùng với have to =>loại A
- had been: thì quá khứ hoàn thành diễn tả hành động này xảy ra trước hành động made phía trước =>Chọn B
- was being sai vì động từ "be" không chia tiếp diễn =>loại C
- had had to be cũng sai vì không tồn tại thì này =>loại D
=>What made you think he had been in the Royal Air Force?
Đáp án cần chọn là: B
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