Many of the beautiful buildings in our cities ______ by exhaust gases from cars and factories. We must do something to stop this.
A. were destroyed
B. are destroyed
C. are being destroyed
D. have been destroyed
Đáp án C
Kiến thức: Thì trong tiếng anh
Giải thích:
Sự việc bị tàn phá vẫn chưa kết thúc, nên không thể dùng quá khứ đơn => A loại
Trong câu không có thời điểm xác định sự việc bắt đầu trong quá khứ, nên ko dùng thì hiện tại hoàn thành => D loại
Ta dùng thì hiện tại tiếp diễn nhấn mạnh việc đang diễn ra.
Tạm dịch: Nhiều tòa nhà đẹp ở các thành phố của chúng ta đang bị phá hủy bởi khí thải từ xe hơi và nhà máy. Chúng ta phải làm gì đó để ngăn chặn điều này.
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