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Our sources of energy will soon end if other sources don't find.

Our sources of energy will soon end if other

Câu hỏi

Nhận biết

Our sources of energy will soon end if other sources don't find.


A.
will
B.
 end
C.
other
D.
don't find
Đáp án đúng: D

Lời giải của Luyện Tập 365

Mệnh đề “if ’ có nghĩa bị động vì chủ từ là other sources (các nguồn năng lượng) và động từ là find (tìm kiếm). Đây là câu điêu kiện loại I nên ta dùng thì Hiện tại đơn bị động: am/is/are + quá khứ phân từ.

Đáp án là D: don’t find chuyển thành aren’t found/can’t be found.

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