I am is ( ) active gril.括号中该填a还是an

I am is ( ) active gril.括号中该填a还是an She is ( ) university student.(括号中填a还是an?) There is ( )way .括号中填a还是an, 请问在 I ___ a word and a letter.句子中,该填am,is 还是are. I am a student,（ 括号内应该填什么. I am a student,（ ）括号内应该填什么. Kate is English,I am Australia.选填an a Tom is( )good English boy.括号中填冠词a还是an,原因是什么? where is my watch?I am（）it.括号里填looking for还是 Active boy前面加a还是an it is ( )eye括号填a/an Is ()book red?括号中,应填a还是the