—Have you found out anything, sir?—We are sure that the thief entered the house through the window instead of breaking in. You have closed the window before you left.
It was reported _____ a 7.1-magnitude earthquake hit northwest China’s Qinghai Province early on Wednesday.
When _____ the prices of these goods, we must take everything into consideration.
Only when he read the newspaper _____ the US President Obama would deliver a speech in Fudan University.
---- Is it convenient for you if I come to see you at 4:00 this afternoon? ---- I’m afraid not. I _____ a meeting then.
Mr. Black was so____ to his research that he seldom cared about what happened around him.