英语·句型转换...说明下,划线部分提问本来就没有线...

英语·句型转换...说明下,划线部分提问本来就没有线...
4That's his dog.（划线提问)_____ _____ ______?
5I know this boy.（变一般疑问句并作肯定回答）_______ _______ ______ know this boy?Yes,_____ ______.
6There are some rulers in my pencil box.（变一般疑问句并作否定回答）______ _____ _______rulers in ________pencil box?No,___ ___.
7There is a box in the room.（变复数句）There ____ _____ ______in the room.
8I have two pens in my bag.（改成同义句）____ _____two pens in my bag.
9I'm in Class1.(划线提问）______ ______ ______ _______in?
10This is my classroom.(变一般疑问句并作肯定回答）______ _______ _______classroom?Yes,____ _____.