There is an "s" in the word "bus".为什么用an

There is an I in happiness,There is no Y in happiness,It's an I There is an I in happiness,There is no Y in happiness,It's an I There is ________s'' in the word sun''(a,an) There is an interesting news in today's newspaper.改错 There is ) s in the small是 a 还是 an There is a U and anS in () use. there is（ ）“sand( )tin the word sit'' A.a an B.an a C.an the D.a the 选择.1:There is ( )apple in the bag.A:a,B:an.C:the.2:There ( )some books on the desk.A:are.B:is.C:am.3:Is there a flower?Yes,( )A:there is.B:there isn't.C:it isn't.4:There are many ( )in the river.A:fish.B:fish's.C:fishs.5:Are there ( )bridges in y There is an I in happiness,There is no Y in happiness,It's an I 好难理解 There is an s in the word bus.为什么用an sand前+an?There is a还是an “s”in the word“sand” Today's newspaper is as unual.同义句There's isn't ( )( )in today's newspaper. there is an o___ saying,'' A woman 's place is in the home.'' There's some beef in the fridge,_______?-Yes,there isA,is there B,isn't there C,has there D,hasn't there There aren't any things in the box,so it's an () box. It's an empty box.there isn't a in it There is _“t” and_"s" in _ word "thank".A.a；an；x B.a;a;x C.a;an;the D.a;an;a 用：a an some any填空.1,Is there ()bread in the kitchen.2,There's()coffee in the cupboard.