Where's my bag?It's____the desk.怎么填

Where's my bag?It's____the desk.怎么填 where's the key?it's____the door Mom,where's my player?It's in___white bag on your desk. -_____is my bag?-It's on the desk.A:How B:what C:where D:How Where's my desk?It's near the w（）. oh!where is my book?It is ___ on the desk ____ in the bag. A:Where is my bag?B:Is it on your desk,_____?A:No,it isn't. Mum,where is my bag?I can't find it.______?No,it's under the 16.---Where’s key to my bike, Jim? ---It’s in your bag. where ‘s my watch?回答M——it's in your bag Where's my baseball?Is it____the desk. where is my sister\'s bag?