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

Natural resources should be used economically ______ they will not run out some day. A. in order to B. so as to C. as to D. in order that

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Natural resources should be used economically ______ they will not run out some day.

in order to

so as to

as to

in order that

Giải thích

Chọn đáp án D