Mark 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.
In some areas (A), solar energy is used (B) to light, heat, and cooling (C) houses and buildings (D).
Mark 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.
In some areas (A), solar energy is used (B) to light, heat, and cooling (C) houses and buildings (D).
In some areas (A), solar energy is used (B) to light, heat, and cooling (C) houses and buildings (D).
Chọn một phương án bên dưới để kiểm tra đáp án ngay:
Đáp án chính thức: C
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