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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.
Nancy talks as if she ___________ everything.
A. knows
B. known
C. knew
D. not know
Nancy talks as if she ___________ everything.
A. knows
B. known
C. knew
D. not know
Cấu trúc: S + V-s/-es + as if / as though + S +V2/-ed
(tình huống giả định ở hiện tại)
(tình huống giả định ở hiện tại)
Đáp án C.