小学英语题解答100分1.改否定句This is my pencil.His name is David.They ar

1.改否定句
This is my pencil.
This is not my pencil.
His name is David.
His name is not David.
They are from England.
They are not from England.
2.用动词be (am,is are)填空
Mary _is___at school today.
3.选择
Is it her watch?___选C____
A No,it's not my watch B Yes,it's a watch
C No,it's not her watch D Yes,it's my watch
Is it his notebook____选D_______
A It is his notebook B It isn't his notebook
C Yes,it isn't D no,it'isn't
That _____her backpack 选B
A not is B is not C Not at all Dok
Thank you for your help.___选A（应该是That's all right.）______
A That's right B I think so
C Yes,this is DNo,it isn;t

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1.改否定句
This is my pencil.
答案：This is not my pencil.
His name is David.
答案：His name is not David.
They are from England.
答案：They are not from England.
...

1.改否定句
This isn't my pencil.
His name isn't David.
They aren't from England.
2.用动词be (am,is are)填空
Mary _is___at school today.
3.选择
Is it her watch?__c_____
A No,it's n...