He (not be) _________ to Vietnam before last year.
-
A.
not been
-
B.
had been not
-
C.
didn’t have been
-
D.
hadn’t been
Ta thấy có “before + thời gian trong quá khứ” cho biết mệnh đề phía trước “before” diễn tả một sự việc xảy ra trước một thời điểm trong quá khứ nên ta sử dụng thì quá khứ hoàn thành
Cấu trúc: S+ had (not) + VpII.
=> He hadn't been to Vietnam before last year.
Tạm dịch: Anh ấy chưa từng tới Việt Nam trước thời điểm năm ngoái.
Đáp án : D
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