on as the manager entered his office, he began to ______ the telephone book on his desk.

We have to give the users something new ________ what we’ve already offered, which is the only way to broaden the appeal of the website.[ ]

He came _________ finding the girl.

Jane is one of the best students in herclass who _____by their teacher.

Premier Wen Jiabao said that if we worked hard and____ optimistic,we were_____ win the war against the finanical crisis.