—____keep water running when you are brushing your teeth or washing your hands, Jack. —OK. I know we must save every drop of water.
A.Won’t
B.Not
C.Don’t
D.Do
正确答案是C
—____keep water running when you are brushing your teeth or washing your hands, Jack. —OK. I know we must save every drop of water.
A.Won’t
B.Not
C.Don’t
D.Do
正确答案是C