Câu hỏi:
12/03/2020 1,249Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
New sources of energy (A) have been looking (B) for as the number (C) of fossil fuels continues (D) to decrease.
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Trả lời:
Kiến thức kiểm tra: Câu bị động
look for: tìm kiếm
Chủ ngữ: New sources of energy => không thể tự tìm kiếm => dạng bị động
Công thức dạng bị động thì hiện tại hoàn thành: S + have been + V_ed/pp
Sửa: been looking => been looked
Tạm dịch: Những nguồn năng lượng mới đã được tìm kiếm bởi số lượng nhiên liệu hóa thạch đang tiếp tục giảm.
Chọn B
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Câu 7:
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