In this hotel, the bread and butter ______served for breakfast. Meanwhile, a knife and fork _____very useful for a foreigner.

—Are these your sheep ?—No. Mine _____ on grass at the foot of the hill.

____ can be done ____ been done. 

--- Have you got some water to drink?--- Here you are. There _______ still some in the bottle.

—Where     the twin       , Do you know?   —Jurong.