There is___"m"and___"u"in the word "much".填an或a,并说明理由,

There is___"m"and___"u"in the word "much".填an或a,并说明理由, There is___"s"and___"u"in the word "busy" A.a;an B.an;a 两道小题儿：1.There is___"h"and___"u"in___word"hour".前两个空选填a或an,最后 There is___"I"and___"K“ in the word "black". There is ____“u”in the word your.（填a或an） This is___"m"and__"u"in the word"must".A.an;a B.a;an C.a;a D there is ()“m”and()“u” in the world “music”填an或a IN the word "ruler",I see ___"u"and___"e" A an;a B a;an C an There is ___"R" and—— "U"in the word understand 填an 或a ———(这 There is___"e"in the word"egg". a/an ? There are some k___ a There is____"m"and____"u"in the word"much". There is ( )''h'' in the word ''hour''.A:a B：the C:an 请说明理由,