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______the ozone layer were destroyed, most living things on the earth would disappear.

______the ozone layer were destroyed, most living things on the earth would disappear.

Câu hỏi

Nhận biết

______the ozone layer were destroyed, most living things on the earth would disappear.


A.
Provided                  
B.
In case
C.
Unless                        
D.
If
Đáp án đúng: D

Lời giải của Luyện Tập 365

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