In ____late 19th century, Europe changed ______great deal and was playing important roles in ______international trade.
It wasn’t such a good dinner _________ she had promised us.
The guests were _________ in the front rows _________ to the president attentively.
.The thing that _________ is not whether you fail or not,but whether you try it or not.
—Jane wasn’t in when Jack came,was she? —_________,but she returned a few minutes later.
.All _________is a continuous supply of the basic necessities of life.