根据各题后括号内的要求改写下列句子,每空一词（含缩略形式）.
问题描述：
根据各题后括号内的要求改写下列句子,每空一词（含缩略形式）.
1.Is she your sister?(作肯定回答)
Yes,_______ _______.
2.Is this your mother?(作否定回答)
No,_______ _______.
3.Are these his grandparents?(作肯定回答)
_______,_______ _______.
4.That is my school.(改为一般疑问句)
_______ that ________school?
答
1.Is she your sister?(作肯定回答)Yes,she is.2.Is this your mother?(作否定回答)No,she isn't.3.Are these his grandparents?(作肯定回答)Yes,they are.4.That is my school.(改为一般疑问句)Is that your school...