(1) Is this her dictionary?(作肯定回答及否定回答)
Yes,it is.No,it isn't.
(2)I am an english boy.(改为一般疑问句)
Are you an English boy?
(3)His name is Bob.(对画线部分提问,画线部分是Bob)
What is his name?
(4) This is a ruler(对画线部分提问,画线部分是 a ruler)
What's this?
(1) Is this her dictionary?(作肯定回答及否定回答)
Yes,it is.No,it isn't.
(2)I am an english boy.(改为一般疑问句)
Are you an English boy?
(3)His name is Bob.(对画线部分提问,画线部分是Bob)
What is his name?
(4) This is a ruler(对画线部分提问,画线部分是 a ruler)
What's this?