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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 |
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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
查看习题详情和答案>>.
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
查看习题详情和答案>>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 |