That’s 180-meter-long bridge,not 80-meter-long bridge.

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That’s __ 180-meter-long bridge,not __ 80-meter-long bridge.A.a; an B.an; a C.a; the D.the; a
请详解,我认为选B 180=one hundred and eighty 首字母是元音不应该是用AN吗?

A
用an还是a,不是取决于首字母是不是元音字母,而是取决于首字母是否发元音
元音字母：a i u e o
元音：ei i u e o ai
180-meter-long,首字母发音是w,不是元音
80-meter-long,首字母发音是ei,是元音

That’s __ 180-meter-long bridge,not __ 80-meter-long bridge. 是800-meter-long bridge还是800-meter long bridge 为什么是.an 80-meter-long bridge.an''s'' an 80-meter-long bridge和an 80-meter long bridge哪个正确? a 50-meter-long bridge over the river中 50-meter-long为什么不像min they will build ( )800-meter-long bridge(桥梁）英语翻译An 800一meter一long bridge is being built over the river There is _80-meter-long bridge over _river 那两个空里边是填a或an或the还英语翻译1告诉某人不要迟到（翻译）建设南京的盐水鸭2The bridge is 20-meter long.___3He It's one meter long.请问这里的 long 词性? They will build ______800-meter-bridge 10 meters long可以说10-meter-long?