将下面句子改为一般疑问句，并作肯定和否定回答 1.Su Hai and Su Ying sw

1、Do Su Hai and Su Ying swim after school?
Yes,they do./No,they don't.
2、Are there some apples on the table?
Yes,they are./No,they aren't.
3、Does He help sick people?
Yes,he does/No,he doesn't.
4、Does Nancy have an animal friend?
Yes,she does/No,she doesn't.

2:are there some a apples on the table