The heat goes out of the houses through ___________.

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Read the passage and choose the best answer (A, B, C, or D) to each question.

the doors and up the chimney

the windows and up the chimney

the windows, the doors and up the chimney

the walls and up the chimney

Giải thích

C. the windows, the doors and up the chimney

Giải thích:

Thông tin: Often, they do not have enough insulation and the heat goes out through the windows, the doors and up the chimney.