About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.

About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.

1. A.
   is; doesn’t
2. B.
   are; don’t
3. C.
   are; doesn’t
4. D.
   is; don’t

About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.

   A. is; doesn’t                 B. are; don’t         C. are; doesn’t              D. is; don’t

.

 About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.

   A. is; doesn’t                 B. are; don’t         C. are; doesn’t              D. is; don’t

About 71% of the earth’s surface ______ covered with water, but 20% of the world population ______ have access to safe drinking water.