This is a challenging job.Who wants it?- _______A I'll take it.B It's a good idea.C You bet!D No sweat!

Is this a book? Yes,this is. This is a man提问( ) is this? This is a love this is a japan This is a this is a This is a book this is a Demo This is a secret This is a story This is a This is a n_____jacket is this a jacket This is a cirde. This is a this is a hat This is a snowmans This is a map____China