Attention,please!I have something to inform you.All the teachers and students are going to go the Space Museum this Saturday.We are required to gather at 7:30 in the morning at the school gate. We will set off and come back by bus.We need to prepare something to eat for lunch.We had better bring some plastic bags to carry our rubbish .Please do not throw litters about in the Space Museum.We should try our best to show our good quality to others.
That's all,thank you.
(你好,我基本没有改变你的原意,就是按照你写的改了几处语法错误,尤其中间的 we is going to ……这个用法有点不应该哦,再怎样也得we are going to……你说是不是?现在想起来了吧,呵呵～还有就是文章比较平淡,这是一则通知,首先要把要求用简洁明了的语句表达出来,还要注意不要一个模式的句子通篇下来,这样会显得文字贫乏.下回多多注意哦,愿你更上一层楼哦）