第1个回答 2010-06-29
its very hot in summer,Swimming is the best sport!
第2个回答 2010-06-29
Since it is very hot in summer, swimming is the best sport.
第3个回答 2010-06-29
Summer is very hot, swimming is the best exercise
第4个回答 2010-06-29
Very hot in summer, swimming is the best sport!
第5个回答 2010-06-29
Summer is so hot . swimming is the best athletics