多久 多远
一、how long有以下两个主要意思
1. 表示多长时间，与延续性动词连用,主要用来对一段时间(如three days, four weeks 等)提问。常用“for+一段时间”和“since+时间点” 回答
A：How long did he stay here? 他在这儿呆了多久?
B：About two weeks. 大约两个星期。
A：How long does it take to get to London from here? 从这里到伦敦要多长时间?
B：At least ten hours. 至少要10个小时。
2. 表示某东西有多长。如
A：How long is the river? 这条河有多长？
B：About 500 km. 大约500千米。
二、关于how often的用法
how often用来提问某动作或状态发生的频率，即问某人在一段时间内做某事做了几次。主要对频度副词或状语(如：always，usually， often， never或 twice a day ，once a week, ,three times a month 等)提问。
用英语表示多少次，除了一次（once）和两次(twice)外, 其他都用基数词+times来表示，三次 “three times”,五次 “five times”。
A：How often does he come here? 他(每隔)多久来一次?
B：Once a month. 每月一次。
A：How often do you visit your mother? 你多长时间看你妈妈一次?
B：Once a week. 一周一次。
A :How often do you go to the movie? 你多久去看一次电影？
B :Often. 我经常去看电影。
（doLi Ming ate breakfast once last week.上周李明吃了两次早餐。
Danny ate breakfast twice last week.上周Danny吃了一次早餐。
Mr. Wood ate breakfast seven times last week.伍德老师上周吃了七次早餐。）
三、how soon的用法
how soon 指再过多久，主要用来对表示将来的一段时间(如：in an hour, in two weeks 等)提问。如
A：How soon will he be back? 他要多久才回来?
B：In an hour. 1 小时以后。
A：How soon shall we know the results? 我们多久能知道结果?
B：I don’t know. 我不知道
四，how far意思是“多远”，对距离提问时用。
How far is it by rail from Shanghai to Guangzhou? ------- 650 kilometres.
乘火车从上海到广州有多少路程？
How far is it from you home to your school ? ---About two kilometers.
从你家到学校有多远呢？
一，选填 (how long， how often， how soon how far )
---1.____________ have you been in China?
_____________will he back?
______________ do you visit you grandparents?
________________ should I throw it?
-----five metres.
5 ___________did you stay there?
----for a week.
6______________ do his parents let him watch TV?
----- Three times a week.
7 ________________ will her husband come?
-----In two days.
二 选择题：
1 (09长沙10济南).____have you been learn English.
A. How long B. How often C. How far
A How much B How often C How long D How soon
['jɒgət]酸乳酪
A. How long B. How far C. How long D. How much
（上 ）our plane?
how far B. how soon C. how many D. how long
