第一篇：
1、2.She impressed us deeply with her······她以她生动的英语课给我们留下了深刻的印象.impress改过去时,搭配with
3.One day when the first bell rang时态：ring改rang
4.the class turned silent at his words,turned silently是无声地转变的意思,不符,改为turned into silent转变为无声的
5.Miss Li appeared at the door.appear at出现在·····固定词组
6.She said in a low voice 以····语调说话,介词用in,固定搭配
7.l have asked the doctor to put off the operation till tomorrow 推迟put off固定词组
8.我不想你们错过一节课,这是你想表达的,但是用single表示一节课是不适合的.改成：I don't want you miss even one class 那个tou,不管是什么,没意义,去了
9.A new teacher will take my place,明显是my
10.and l hope you'll get on well with him并列不冲突,用and
第二篇
1、2.we felt sorry to hear that our class‘ teacher was ill.时态feel改felt,我们班的老师our calss' teacher
3、4.we had a decition managed on our own.做了一个决定,决定应为名词形式；时态：managed
5.During the following days 随后的几天,the following days固定词组
6、7.we did morning exercises better than ever before,早操morning exercises固定词组；比以前好,不能漏了before
8、9.Before class,we gave the classroom a thoroughly cleaning to welcome him,上课之前(before class)做准备来欢迎老师,不可能是上课期间（in class）特指我们的教室,用定冠词the
10.she was happy and moved,并列不冲突用and