| 小题1:1enjoyed skating two years ago 小题2:She was doing some cleaning at this time yesterday 小题3:Ruler 1 is shorter than Ruler 2 . 小题4:He should put letter into dustbin 小题5:He used to play the piano |
| 小题1:1enjoyed skating two years ago 小题2:She was doing some cleaning at this time yesterday 小题3:Ruler 1 is shorter than Ruler 2 . 小题4:He should put letter into dustbin 小题5:He used to play the piano |
