问题2：请问这道题怎么选，为什么？

把下列句子改为一般疑问句,做肯定

1。I um Jane Am I Jane? Yes,I am/No,I'm not。 2。she is a good teacher Is she a good teacher? Yes,she is/No,she isn't。 3。He is an English boy Is he an English boy? Yes,he is/No,he isn't。 4。You are Mr。 Wang Are you Mr。 Wang? Yes,you are/No,you aren't。 5。This is a booR Is this a book? Yes,it is/No,i...全部

  1。I um Jane Am I Jane? Yes,I am/No,I'm not。 2。she is a good teacher Is she a good teacher? Yes,she is/No,she isn't。
   3。He is an English boy Is he an English boy? Yes,he is/No,he isn't。 4。You are Mr。 Wang Are you Mr。
  Wang? Yes,you are/No,you aren't。 5。This is a booR Is this a book? Yes,it is/No,it isn't。 6。That is a pen Is that a pen? Yes,it is/No,it isn't。
   7。It is an orange Is it an orange? Yes,it is/No,it isn't。 8。You are ten Are you ten? Yes,you are/No,you aren't。
   9。They are bags Are they bags? Yes,they are/No,they aren't。 10。It's a pencil。收起