Four years ( ）quite a short time; we must study hard.1,is 2,

their birthdays only come _____ four years是填each,every还是once

筱冰忆寒1年前2

独立苍茫自咏诗 共回答了16个问题 | 采纳率75%

once
once four year 四年一次
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连词成句:for,have ,a college ,student,four years,a

连词成句:for,have ,a college ,student,four years,a
连词成句:for,have ,
a college ,student,four years,almost,I,been
是陈述句

beginning1年前1

a_peng 共回答了17个问题 | 采纳率94.1%

I have been a college student almost for four years.

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four-year 和four years有什么区别?

C哥哥1年前2

cfanclub 共回答了11个问题 | 采纳率90.9%

four-year是个合成而来的形容词,只能做定语；
four years是个短语,可以单纯做名词也可以做时间状语.
例如：It's a four-year course.这是一个为期四年的课程.
He has been here for four years.他在这已经待了四年了.

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four years

gemini80651年前3

颦儿 共回答了19个问题 | 采纳率84.2%

四岁

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Four years()since I ()the army 求分析

Four years()since I ()the army 求分析
为什么是 has passed joined
而不是 passed have joined

大雄lawer1年前1

whitecai02 共回答了15个问题 | 采纳率86.7%

Four years has passed since I joined the army .我参军四年了.
since 引导的时间状语从句,主句用现在完成时,从句用一般过去时表示.
eg .I have lived here since I was born .

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I am junior________my elder brother________four years.

I am junior________my elder brother________four years.
A.to,by
B.than,for
C.to,for
D.with,by

西瓜好好吃1年前1

voluptuouslady 共回答了20个问题 | 采纳率85%

答案A
这题考查介词的用法：第一空是be junior to“比…小”,第二空填by,表示“差值”.句意是：我比哥哥小4岁.选A.

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