Is your birthday in May?该怎么否定回答.是No,it isn't.还是No,my bithday

Is your birthday in May?该怎么否定回答.是No,it isn't.还是No,my bithday Is your mother's birthday in May?回答应该选择A.No,she isn't.还是B.Ye Is the boy your friend?如何回答(否定的）是用NO,he isn't.还是No,it isn't. Is she you mother? 否定回答时是用NO,it isn't.还是NO,she isn't Is there only a bed in the room?做否定回答用No,it isn't 还是No,there Is she you mother?否定回答时是用NO,it isn't.还是NO,she isn't?为什么? Is that your backpack?(做否定回答） No,it isn't 解析： Is this your pen?做否定回答,非常急,是不是No,it isn't. My dress is red and black 否定回答是：no.my dress isn't He isn't a student,is he?否定回答是Yes,he is .还是 No,he isn't. -Isn't this your hangbag -Yes,it is./No,it isn't.这句话怎么翻译? 在英语中别人问Is this sb?时,是该回答Yes,it is.或者No,it isn't.还是Yes,he is.