how often/how long/how far(单选)
how long how soon how often how far 的区别.
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怎么分清how long/soon/often/far?
How many,How long,How far,How often,How soon 分别什么提问?
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how long还是how far
七A英语怎么区别 how far 、how often、 how long 、how soon
how far .how long .how soon .how often .这四个短语有什么区别呢?
A.How often B.How far C.How long D.How soon的区别与用法
精解How far How long HOW soon How often的用法
How often How soon How long How far之间有什么区别?
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