_______ is before a water shortage. A. Being the best time to practice water conservation B. When the best time to practice water conservation C. The best time practice water conservation

_______ is before a water shortage.

A. Being the best time to practice water conservation
B. When the best time to practice water conservation
C. The best time practice water conservation
D. The best time to practice water conservation

Trả lời

Chọn đáp án D

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