20 Đề thi giữa học kì 1 môn Tiếng Anh lớp 8 có đáp án (đề 10)

2. The volunteers have to work much _____ usual to save the dying animals from the forest fire.

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2. The volunteers have to work much _____ usual to save the dying animals from the forest fire.

as hard as

more hard than

harder than

the hardest

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