The visitor asked the guide to take his picture _____ stands the famous tower.
I don’t think math _______.
Problems relating to people’s livelihood have been the focus of the government, especially _______ Premier Wen Jiabao included them in his government work report last year.
—Mary works hard at English. —_______ and_______.
I’m so glad to see you back, Lucy. How long _______at your grandma’s?
______ is reported in the newspaper, a footballer took money for deliberately not scoring goals so as to let the other team win.