She _________ the ocean before she moved to Vancouver.
A. had never seen
B. never seen
C. have never seen
D. had never saw
Đáp án đúng: A
Giải thích: một hành động xảy ra trước một hành động khác trong quá khứ dùng thì quá khứ hoàn thành
Dịch: Cô ấy chưa bao giờ nhìn thấy đại dương trước khi chuyển đến Vancouver.
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Indicate the underlined part that needs correction in each of the following questions.
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According to the passage, ....................................................
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My parents make ___________________________________________