-
最佳答案：Yes,he is
-
最佳答案：Yes,you can.No,you can't.
-
最佳答案：Yes,I did
-
最佳答案：Did you...Yes,I did.or No,I didn't.Was you ...Yes,I was.or No,I wasn't.Were they
-
最佳答案：1.Are these betty's jeans?/ Yes,they are./No,they aren't./ What are these?2.Are
-
最佳答案：-Is your father a cook?-Yes, he is.
-
最佳答案：Must they finish their homework?Yes, they must.No, they needn't./No, they don't
-
最佳答案：Are they friends?Yes,they are.No,they aren't.
-
最佳答案：That 在这里就是代指哥哥 相当于 Is he your brother?肯定回答 Yes,he is否定回答 No,he isn't纯手打
-
最佳答案：Yes, we doNo, we don't