Is this a bathtub?(用shower改为选择疑问句）

Is this a bathtub?(用shower改为选择疑问句） we have a standard room with air conditioning and bathtub.(对画线部分提问)a standard room with air conditioning and bathtub就是画线部分. We have a standardroom with air conditioning and bathtub(画线部分提问)画线的是：a standardroom with air conditioning and bathtub What is this?是用this isF还是this is a F还是it is F Is this a book? Yes,this is. This is a man提问( ) is this? this is a boy 用中文怎么说? 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