800 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 19

Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heart (2)______ getting out.

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Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heart (2)______ getting out.

from

up

against

away

Giải thích

A là đáp án đúng