There is an s and a u in this word.为什么对呢

There is an s and a u in this word.为什么对呢 There is ( ) "s" and ( ) "u" in the word house.A.a;a B.a;an 单项选择1.There is ( ) "s" and ( ) "u" in the word "sun".A.a.an 用a,an填空 There is __"u" ___ "s" and ___ "e"in the word there is () u and ()s in the word “us” 填写a和an There is ( )"u"and( )"s"in the word"use"?答案是a和an, There is____ s and _____ u in the word sun 为什么选an...a... there is ()u and()m in the word music用an a填空,为什么 为什么不是There is a (h) and an (u) in the word (hour). There's 'u' and 'r' in the word 'umbrella'.A:a;an B:an;an C: There is ( )"u" and ( )"l" in the word "uncle",an;an B.a;an there is -------"r" and -----"u"in the word ruler A an,an Ba