If you are ________about Australian cities，just read the book written byDr. Johnson.

They returned home after a long journey, _______. [ ]

With the rising price，I have to _______ quite a lot of things —clothes，records and so on.

ch do you have in your pocket—150 yuan, all of _______ came from my grandma.

The bell rang and came in Mr. Brown, _____ a book in his hand. Then theclass began.