Trắc nghiệm ôn tập
trees around the house on the south and west sides, they can save up to about $250 a year on cooling and heating.
Câu hỏi:
trees around the house on the south and west sides, they can save up to about $250 a year on cooling and heating.
A.
To plant
B.
To have planted
C.
Having planted
D.
Having planted
Đáp án đúng: C
Đăng bởi: Monica.vn
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