he is writing a book改为一般疑问句
he is writing a book .(改为一般疑问句)
It is a book改为一般疑问句
This is a book/( 改为一般疑问句)
He is reading a picture book.(改为一般疑问句) ( )he ( )a picture bo
She is writing a report.改为一般疑问句.
He is a Chinese 改为一般疑问句
He is a teacher改为一般疑问句
This is a great book .(改为一般疑问句)
this book is boring[改为一般疑问句}
That is my book改为一般疑问句
this is my book.改为一般疑问句.
She is writing a letter.(改为一般疑问句)_______ she _______ a lette