Jack is good at his studies.为什么这用复数studies而不是studyI caught a cold the other day.这里the other day用法是嘛?为嘛不用days

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Jackisgoodathisstudies.为什么这用复数studies而不是studyIcaughtacoldtheotherday.这里theotherday用法是嘛?为嘛不用daysJacki

Jack is good at his studies.为什么这用复数studies而不是studyI caught a cold the other day.这里the other day用法是嘛?为嘛不用days
Jack is good at his studies.
为什么这用复数studies而不是study
I caught a cold the other day.这里the other day用法是嘛?为嘛不用days

Jack is good at his studies.为什么这用复数studies而不是studyI caught a cold the other day.这里the other day用法是嘛?为嘛不用days
是这样的,study既可以做动词也可以做名词,be good at 意思是擅长,善于某事 ,后面接动名词或者名词,所以be good at doing sth.或者be good at sth.,在这里显而易见是名词短语,his studies 指的是他的学习 ,那么study就是做名词用,study作名词的时候是可数的,这个时候study是泛指,他擅长他学的学科,那么就不可能是单数,因为他各科学习成绩都好,就是数学、语文..等都好,就要用复数.
至于other ,它的意思是（两个中的）另一个 ,所以是单数的,不可能有other + 复数 ,这也就是为什么 ,当other 跟在限定词an之后 ,合成一个单词 ,another ,也是另一个,再一个,又一个的意思 ,除非other变成复数形式others.
还有!the other day 是固定短语,就是这么写的,意思是“几天前” ,所以不会有别的写法
就像be good at 是擅长,不能写作 “be good on ”一样,这个是这么规定的,不存在1+1为什么等于2的问题.

study用复数形式多用于表示【学术研究】或【研究成果】，you can refer to educational subjects or courses 【that contain several elements】 as studies of a particular kind. 所以，是一个研究项目，这个项目里包含了许多分支, =research 。
而不是单纯指学习。
th...

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study用复数形式多用于表示【学术研究】或【研究成果】，you can refer to educational subjects or courses 【that contain several elements】 as studies of a particular kind. 所以，是一个研究项目，这个项目里包含了许多分支, =research 。
而不是单纯指学习。
the other是指“另一个”，相当于another, 所以只能跟单数名词，the other days就变成“另一个好多天”,属于语法错误。

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1、studies：表示：”各门学业“、“各门功课”，所以用复数。
Jack is good at his studies：意思是“杰克门门功课都精通”
2、the other day，固定用法，表示：”不久前某天；前不久“
I caught a cold the other day，意思是：前不久我感冒了。

Jack is good at his studies.(保持原意)Jack _________ _________ in his studies. 1.Jack is good at _______(swim) Jack can( ) (swim) well.he is good at ( ) (swim) Jack is good at (swimming and skating).括号内提问 Jack is good at swimming 同意句 Jack（ ）（ ）（ ）swimming jack is s---.he is good at all his subjects at school.jack's est friend went abroad three years ago.jack now m-----him a lot.his joke was very funny.it made all of us l----.mr liasked a difficult question,and all the students r-----silent.misswang is He is nine.( ) name is Jack.Look at (He is nine.( ) name is Jack.Look at ( ).He is tall.A.He heB.His hisC.His him Jack is ten years old this year . He is in Grade Two . He doesn’t work hard (努力) at school . His teacher doesn’t like him . But Jack thinks he is a clever student . And he thinks his math (数学) is good . On a Sunday afternoon, Jack goes ho jack is good ( )soccer A.AT PLAY B.WITH PIAYING C.FOR PLAY D.AT PIAYING jack is ( )playing basketball.A,good in B,good not on C,not good at 选什么?为什么? 4.Jack is __________to his good friends.A.writing B.write C.writes D.writeing jack is such a good artist ----too bad his daughter just can not draw.英语翻译 Jack is _____ to his good friends.A.writing.B.write.C.writes D.writeing He is ——(good)at math than his brother 连词成句:good,sister,at,his,is,dancing 合并为一句 英语1.Jack is good at sports. He is also good at the other subjects. Jack is_____ _____good at sports_______also good at the other subjects. Jack _____ not very ____ some of his schoold subjectsa.is; well in b.does; good at c.is; bright in d.does,bright in选C,为什么?其他的呢? 求一句英文翻译!Tom's composition,if not better,is at least as good as jack's.