We should conserve the natural resources ______ A. so that we can use them for a long time B. in order to use them for a long time C. to use them for a long time D. all are correct46/60We should conserve the natural resources ______ so that we can use them for a long time in order to use them for a long time to use them for a long time all are correctGiải thíchChọn đáp án A