This is a book变成一般疑问句
This is a book变成一般疑问句
This is a book/( 改为一般疑问句)
This is a book.(变成否定句) He is a good boy.(变成一般疑问句) She is in
this is a clock变成一般疑问句
This is a great book .(改为一般疑问句)
this is his book 和That is an English dictionary 变成一般疑问句 并作肯定
this is a black car.变成一般疑问句
this book is boring[改为一般疑问句}
This is my book 变为一般疑问句
this is my book.改为一般疑问句.
请将"This is a book."改为否定句,一般疑问句和特殊疑问句.
It is a book改为一般疑问句