i can ___swim ____skatea either .or d neither...nor哪个

i can ___swim ____skatea either .or d neither...nor哪个 I can swim=I have__ ___ ___swim=I have____ ___ ____swimming I can help the kids with swimming.(同义句) I can help the kids ___ ___swim.I can help the kids with swimming.(同义句)I can help the kids ___ ___swim. I ___swim at the age of five.A.am able to B.can C.was able D.was able to望好心人能顺便说明解题原因, They ___swim across the river.A can both B both can C are both D both are They ___swim ___play ping-pong after school. i can i can I CAN I can i can i can I can I CAN I Believe I Can I believe.I can. If i think i can i can if i think i can i can