there is [ ]U in the word us填a 还是an

There is ()uand()sin the word useful. There is ( )uand ( )s in the word us 改错：There is an u in the word us there is ( )u and( )n in the word aunt there is _m and_ u in the word menu. there is a u in the world ruler. There is ( ) u and ( ) r in the box.为什么? There is{ } u in the word found and{ }letter is in the middle of this word There is ___rin the world “run” There is ___''b___''u___''sin the worldbus” 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( )u in the word must.A.a B.an C.the D./ There is{ } u in the word found and{ }letter is in the middle of this word.翻译 There is a large number of places of interest in the U.K.还是 There are a large number of placesof interest in the U.K. 为什么不是There is a (h) and an (u) in the word (hour).而是There's an (h) and a (u) in the word (hour).Thank you~ There is a (h) and an (u) in the word (hour).这句英文对吗 There is ____ ''b'',____ ''u'' and ____ ''S'' in the word ''bus'' . There is au and a s in the wordbus'哪错 题就这样 There is( ) uletter and ( ) rletter in the word ruier