No, a bed doesn't really need a duvet but it's a nice option to have one. They are warm and the bed is easier to make than if you have sheets, comforter and blankets.
Choosing the right size duvet cover for your bed will ensure that it fits snug and you have a good night's sleep. Therefore it is advisable to purchase a duvet for the size of your bed, thus a small size duvet for a small or twin sized bed. Avoid duvets that are too large, as they will often slip and then you will need clips to hold it down.
the duvet was put on the bed
A duvet
No, the queen duvet is incompatible.
A bed skirt is more of a decorative item. If your duvet covers your box spring it probably isn't necessary but if you like for not to be exposed definitely purchase a bed skirt
It is a duvet, bed spread, or quilt.
It depends on the exact size of the double bed you are going to use your double duvet bed set. For a standard double bed that measures 4ft by 6ft, the size of the double duvet cover is 200 x 200cm. Other double bed sizes can still fit in double duvet cover with 200cm by 200cm measurement.
When you buy a duvet cover for your comforter on your bed, you need to buy plastic rings to hold them in place. They have them at Bed, Bath and Beyond. You put them in each corner to secure them in place.
It really depends on the size of your bed. If you have a full or queen size bed a king size or Cal King duvet cover might be able to cover the box spring. I recommend getting a bed skirt which will fully cover the the box spring.
A twin duvet cover measures 59x79 inches.
UK Standard size for single bed duvet is 135cm x 200cm
Push your bottom out of the duvet...then technically it won't be in bed