There is ( ) "r " in the word "hour"括号里要添“an”还是“a”?能说明原因吗

There is ( )''r''in the word''rice''. there is ____（a/an）“r” in this word. There is _______“r”and_______“h” in the word there is （）“a” and ( )“r”in the word are There is ( ) u and ( ) r in the box.为什么? There is ___rin the world “run” There is ___''b___''u___''sin the worldbus” There is ( ) r in the word hour括号里要添“an”还是“a”?能说明原因吗 There is( ) uletter and ( ) rletter in the word ruier There is a lot of food and fruits in the r( ) 根据首字母填空 There are lots of （r ） in our city.The food is very delicious填空 There is ___r and ___y in the wordreally.用a或an填空. 根据首写字母写填空：There is a computer （r ）in that building. There is ____“u” and ____“r”in the word “your” there is ----- r in the red 选什么 a,还是an为什么 There is_____rin the word try There are many r( ) in my family. There is something in the There Is A God In