There is an A,an U and______R

There is an A,an U and______R There is ___ h,____ O,_____ u_____ and_____ r in ____ word hour.A.a an a an the B.an an an an a C.an an a an the D.a an an an a 选择 There is ( )a and ( ) u in the word aunt.A:a a B:an an There is a U and anS in () use. There is ( )u and ( )l in the word uncle,an;an B.a;an C.an;a, there is -------r and -----uin the word ruler A an,an Ban,a C a,a D a ,an There is ( )“u” and ( ) “h” in the word “hour”. A.a a B.an an C.a an D.an aThere is ( )“u” and ( ) “h” in the word “hour”.A.a a B.an anC.a anD.an a 字母u前用a还是an?There is ___ u in the word umbrella.用a还是an? There is ( ) s and ( ) u in the word house.A.a;a B.a;an C.an;an D.an;a 为什么! 1、（ )There is ( )u and ( )s in the word us.A) a;an B)an;a C)a;a D)an;an There is ______uand ______s in the word bus.A.a,a B.a,an C.an,a D.an,an There is ( ) 'u' and ( )'h'in the word 'hour' A an,a B an,an C a,a D a,an There is ( )l and ( ) u in the word luck A.a.an B.a.a C.an.a D.an.an There is ___o and ____uin the word house A.a,a B.an,an C.a,an D.an,a 初中题there is( )sand（ ）uin the word use.A,a/a B,a/an C,an/an D,an/a 为什么选D There is（ ）‘u’ in the word ‘uncle’.A.a B.an C./There is（ ）‘u’ in the word ‘uncle’.A.a B.an C./ There is ___ fand __uin the word four.A.an;a B,a;aC,an;an D,a;an 英语there is __ u in university.是填a还是an?字母u前何时加an?请举例说明。