将下列句子变成一般疑问句,并作肯定或否定回答1、He is Black

1.Is he Black? Yes,he is./No,he isn't.
2.Am I in Grade 1? Yes,you are./No,you aren't.
3.Are you a workers? Yes,I am./No,I am not.
4.Is this my book? Yes,this is./No,this isn't.
5.Is that an English dictionary? Yes,that is./No,that isn't.

1、Is he Mr Black?
Yes,he is.
2、Are you in Grade 1?
No,I am not.
3、Are we workers?
No,you aren't.
4、Is this your book?
Yes,it is.
5、Is that an English dictionary?
No,it isn't.

1.Is he Black?
Yes,he is.
No, he isn't.
2.Are you in Grade 1?
Yes,I am.
No,I am not.
3Are you workers?
Yes,we are.
No,we aren't.
4.Is this my book?
Yes,this is.
No,this isn't.
5. Is that an English dictionary?
Yes,that is.
No, that isn't.

1.Is he black?
yes,he is.\no,he isnot
2.Are you in G