---What do you think of the book ? --- I don’t like it at all . It’s _____ interesting _____ exciting . 

Many people shop on line, ________ years ago, they bought things only from stores.

They will lose the game ______they try their best.

—Does your mother often surf the Internet ?—Yes, ___________ she doesn’t buy any thing on line.

We never know we will succeed ________ we actually try.