2，Lao Jin' s winter swimming team has existed for ________ years. A: 30 B: 25 C: 20 D: 35

3,Lao Jin has been practising winter swimming for about _________ years. A: 26 B: 25 C: 23 D: 24

Winter-swimming has become popular in Beijing because _______.

One of the children _____ in the river last summer. A: was swimming B: is swimming C: are swimming D: were swimming

Synchronized swimming is a hybrid of swimming, dance and gymnastics.

Rains and snowfalls in winter are to the winter crops.

The writer prefers ______. A: swimming to making money B: making money to swimming C: riding a bike to swimming

I like __________ very much, but I don't like ________ this morning. A: swimming, swimming B: to swim, to swim C: swimming, to swim D: to swim, swimming

The main idea of the passage is_______. A: the two most popular aerobic exercises are jogging and swimming B: jogging is better than swimming C: swimming is more popular than jogging D: swimming is recommended over jogging

Synchronized swimming, athletic swimming, diving and water ball are the disciplines of sport swimming.