【题目】写出下面动词的ing 形式。
(1)run
(2)hop
(3)do
(4)skate
(5)ride
(6)skip
(7)fly
(8)swim
【答案】
(1)running
(2)hoping
(3)doing
(4)skating
(5)riding
(6)skiping
(7)flying
(8)swimming
【解析】
【题目】写出下面动词的ing 形式。
(1)run
(2)hop
(3)do
(4)skate
(5)ride
(6)skip
(7)fly
(8)swim
【答案】
(1)running
(2)hoping
(3)doing
(4)skating
(5)riding
(6)skiping
(7)flying
(8)swimming
【解析】