Laura said she has worked on the assignment since the day before. A. said B. has worked C. assignment D. since

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Mark the letter A, B, C or D on the answer sheet to indicate the underlined part that needs correction in each of the following questions.

Laura said she has worked on the assignment since the day before.

said

has worked

assignment

since

Giải thích

Kiến thức: Question tường thuật

Giải thích:

Cấu trúc: S1 + said+ S2 + V (lùi thì)

Sửa: has worked => had worked

Tạm dịch: Laura nói cô ấy đã làm bài tập của mình từ hôm qua.

Chọn B