请按括号中的要求做题,完成下列各句
1.It's an English map.(改成一般疑问句并作肯定回答)
2.That's her computer.(改成一般疑问句并作否定回答)
3.This is his ruler.(改成一般疑问句并作肯定回答)
4.He is a new student.(改成一般疑问句并作否定回答)
5.It's (a pen).(就括号部分提问)
6.(C-A-S-E),case.(就括号部分提问)