she could swim in the river _____ _____ ____six years old不能填when she was~

the girl can swim now,but she could't swim in the p() she could swim in the river _____ _____ ____six years old不能填when she was~ she could swim in the river when she was 6years old改为同义句 could she swim when she was fou作否定回答 Li Fang could swim when she was six years old.【改为同义句】 LiFang could swim at the------ ------six. I didn't know she could swim 中为什么用could Your mother doesn't swim in winter ,[ ]she? she wants to go ------(swim ) in the sea 改错：Amy can't swim in the sea,does she? she often has a swim in the sea句意不变she often _____ ______ a swim in the sea kate could swim when she was four years old.同义句 li fang could swim when she was six years old改为同义句 She said,I must go home.变为间接引语时,must需要变吗?像She said,I can swim.就变为 She said that she could swim.把can变为了could when she was five years old ,she could swim怎么变同义句 给解释下为什么.急用 she 什么she could fly in the sky she likes_____with her friends______summer.单选A:to swim;in B:swimming;atC:to swim;atD:swimming;in选哪个? She went to Beijing in December 12th.改错 Swim to the oceanshore fish in the sea She is the story the story is she