10个改错，能帮我解析、翻译一下
One day I 【was】told Mr Wang,our math teacher,was ill。
被动语态：“我被告知”
I was worried about him and went to see him after the【去掉】 school。 固定短语：after school。
When I enter【entered】 his room,he struggled up to welcome 全文用的一般过去时，时态错误。
me。 I let him lay【lie】 down again。Mr Wang looked pale。
let sb do sth：使、...全部
One day I 【was】told Mr Wang,our math teacher,was ill。
被动语态：“我被告知”
I was worried about him and went to see him after the【去掉】 school。
固定短语：after school。
When I enter【entered】 his room,he struggled up to welcome 全文用的一般过去时，时态错误。
me。
I let him lay【lie】 down again。Mr Wang looked pale。
let sb do sth：使、让、叫。。。。。。做。。。。。。
I asked【him】 about his trouble。
He said he was having
ask sb about sth：询问某人某情况
a bad cold。Then he had a bad cough。After take【taking】
介词after后接动词形式时，用动名词。
some medicine he was getting better。He asked me that【whether】 we表“是否”，引导宾语从句，用whether。
liked the teacher who took 【his】place。
When he heard
take one's place:取代；代替take place:发生。
everything was all right,I could see he was pleasing【pleased】。
be pleased:高兴；满意。
Finally I asked him don’t【not】 to worry about the work ask sb not to do sth:要某人别做某事。
and have a good rest。
翻译：
有一天，有人告诉我我们的数学老师王老师生病了。我很担心，就在放学后去看望他。当我走进他的房间时，他挣扎着坐起来欢迎我。我让他重新躺下来。
看起来王老师脸色很苍白。我询问他的病情，他说他患了重感冒。随后，他就剧烈的咳嗽。喝了些药之后他才好起来。他问我我们是否喜欢代替他的老师。当他听说一切都好时我看到他很高兴。最后，我让他别担心工作并多休息。收起
