it has been proven that on the earth
举一反三
- It has been proven that on the Earth, the closer one stays to the Earth, the more slowly time would seem to go.
- His __________ has been proven by the warm welcome he received wherever he visited.
- Scientists think that there _____ life on Earth for millions of years. A: has had B: have had C: has been D: have been
- The tortoise as far as I know has been on earth for thousands of years.
- Man has been polluting the earth from th...on to another place.