Babies sleep l6 to l8 hours in every 24 hours, and they sleep less ________ they grow older.
Which is_____country, Canada or Australia?
Alexander Graham Bell invented_____telephone in1876.
Beyond_____stars, the astronaut saw nothing but_____space.
Alice is fond of playing___piano while Henry is interested in listening to___music.
_____danger man is often much wiser than usual.