Choose A, B, C or D that best completes each of following unfinished sentence.
I…………………two books on environment protection to complete this assignment.
read
have read
have been reading
had read
Kiến thức: Thì hiện tại hoàn thành
Thì hiện tại hoàn thành diễn tả hành động đã hoàn thành cho tới thời điểm hiện tại mà không đề cập tới nó xảy ra khi nào.
Cấu trúc: S + have/ has P2
=> I have read two books on environment protection to complete this assignment.
Tạm dịch: Tôi đã đọc 2 cuốn sách về bảo vệ môi trường để hoàn thành bài tập này.
Đáp án : B
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