In 2003, eBay, ______ famous website where people buy and sell ______ things, said that 70% of their problems were with people who cheated customers.

－I have a problem. I don’t know what to do. －Let’s ask Dick for help. He can _________a good idea to solve your problem.

_______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.

When I got off the crowded bus, I found my pocket _____ and the disk in it with the important documents gone.

is, she has turned professionalwriter