On Monday we wtched a film about pollution.
Mr Lo told to build a machine clean up rubbish.
First we found some books to build a machine.
Then we drew a plan about pollution.
Next we startedbuild our machine.
Joe helped but he put the plug in the wrong hole.
Bang!There was a lot of smoke.
Mr Lo was surprised.
批改后：
On Monday we watched a film about pollution.
Mr Lo asked us to make a machine to clean up rubbish.
First we found some books about making a machine.
Then we drew a sketch.
Next we startedto make our machine.
Joe helped but he plugged it into a wrong plughole.
Bang!There was a lot of smoke.
Mr Lo was surprised.
三年级:Willliam
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