I like watching the the dolphin swim/swimming.swim与swimming

I like watching the the dolphin swim/swimming.swim与swimming I like swimming还是swim? the tigers like ——(swim,swimming)in the lake. I like watching the swimming r__on TV Children like to swim in the swimming pool in s____ 合并I would like to have a swimming pool.I can swim in the swi _____(Swim) is fun.i like to___ (swim0 in the swimming pool i can swim in the swimming pool对吗 Sometimes,I swim in the swimming pool.()(),I swim in the swi swim------swimming, They (swim;are swimming)in the river I want to join the team.( ) A.swim B.swims C.swimming D.swim