Playing computer games.中的playing为什么要加ing?
Playing computer games.中的playing为什么要加ing?
为什么Playing computer games sounds relaxing中的sound要加s?
为什么【he likes playing compurter games】里playing要加ing,这是现在进行时吗?
Don't spend your free time playing computer games.中play为什么要加
为什么Playing football.Play要加ing
time playing games 为什么用ing形式
playing computer和playing computer games
playing tennis sounds interesting.中的play为什么加ing?
为什么She likes playing tennis 中的 playing 带有ing?不加可以吗?
Lilei is playing computer games.(画线部分 playing computer games
some children are interested in playing computer games为什么还加a
computer,playing,interesting,sounds,games(.)