The swimming styles known as ____ were invented by Australians.
A.the breast stroke and the butterfly stroke B.the back stroke and the breast stroke C.the crawl and the butterfly stroke D.the crawl and the back stroke正确答案C
The swimming styles known as ____ were invented by Australians.
A.the breast stroke and the butterfly stroke B.the back stroke and the breast stroke C.the crawl and the butterfly stroke D.the crawl and the back stroke正确答案C
