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 started build 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 started to 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