The speech given by Primer Wen Jiabao showed ______ broad knowledge he has.
He kept looking at her, wondering whether he ________ her somewhere.
She has set a new record, that is, the sales of her latest book ________ 50 million.
—You were out when I dropped in at your house. —Oh, I ________ for a friend from England at the airport.
It is said in the book that Thomas Edison (1847—1931) ________ the world-leading inventor for sixty years.
Because the shop ________ , all the T-shirts are sold at half price.