It was not until this year _____ scientists managed to make a cat and a goldfish disappear from sight using an invisibility cloak(斗篷)
——What about _________ job? ——It’s too difficult _________ job for me.
It was the very place _________ the soldiers fought over sixty years ago.
Good food,not _________,that’s how one gets fat.
Mr. Green left _________ suddenly _________ he came.
_________ is known to all,good friends _________ happiness and value to life.