照样子,写出下列单词的ing形式
eg: sleep sleeping
(1)swim __________
(2)play the piano ___________________
(3)run __________
(4)write a letter __________
(5)take picture __________
(6)skate __________
照样子,写出下列单词的ing形式
eg: sleep sleeping
(1)swim __________
(2)play the piano ___________________
(3)run __________
(4)write a letter __________
(5)take picture __________
(6)skate __________