There is ____“u”in the word your.（填a或an）

There is ____“u”in the word your.（填a或an） There is ___"R" and—— "U"in the word understand 填an 或a ———(这 there is ____ "u" in the word "hour" A:a B:an C:the （尽量详细点） There is___"m"and___"u"in the word "much".填an或a,并说明理由, There is ___"o" and ____"u"in the word "house" A.a,a B.an,an There is ____ s and ___u in the word 填a还是an? There is ____“u” and ____“r”in the word “your” There is（ ）‘u’ in the word ‘uncle’.A.a B.an C./ there is ()“m”and()“u” in the world “music”填an或a There is _____“U”in the word “unhealthy”（用“a”还是“an”） there is ____（a/an）“o” in this word. There is ___ a "r" and ___"u" in the word"really".用a或an填空.