MODULE 7 - Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân

There was snow everywhere, ________ the shape of things was difficult to identify. A. so B. however C. as D. or

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There was snow everywhere, ________ the shape of things was difficult to identify.

so

however

as

or

Giải thích

Chọn đáp án A