IF/ YOU/ CUT DOWN/ TREES/ FOREST/ WE/ HAVE NO/ FRESH WATER/ USE.A....

42. If/ you/ cut down/ trees/ forest/ we/ have no/ fresh water/ use.A. If you cuts down the trees on the forest, we will have no fresh water using.B. If you cut down the trees in the forest, we will have no fresh water to use.C. If you cut down the trees in the forest, we will having no fresh water to use.D. If you cutting down the trees at the forest, we will have no fresh water use.