看图写句子,根据图示或提示词,写出恰当的句子,每图一句。（5分）
小题1:enjoy, skate, two years ago
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小题2: at this time yesterday, do some cleaning
小题3: Ruler 1, short , be , Ruler 2 , than
Ruler 1 
Ruler 2 
小题4: put…into, should , litter , dustbin ,
小题5:play the piano , used to , he
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
题目分析：
小题1:enjoy doing sth,喜欢做某事。two years ago两年前，过去的时间，故用过去时态，故填1enjoyed skating two years ago
小题2:at this time yesterday 昨天这个时候，故用过去进行时态，根据图片，是个女孩，故填, She was doing some cleaning at this time yesterday
小题3:根据图片，尺子1，比尺子2，长，两者进行比较，用比较级，故填Ruler 1 is shorter than Ruler 2 .
小题4:根据图片，是一个男孩，故填He should putlitter into dustbin
小题5:used to do sth ,过去常常做某事，故填he used to play the piano