-Hello! Is Mr. John in the office?-Yes. But I'm sorry. He is busy __________ and can't speak to you.
Mo Yan’s winning the 2012 Nobel Prize for Literature shows the world’s _______ of contemporary Chinese Literature.
It was the belief ____ Alex Haley could find his root in Africa ____made him decide to go to Zambia.A. /, which B.which, that C that ,which D.that , that
My headache _____ me.I thought it was going away, but it is getting worse and worse.
We don’t think the experiment is ___ failure. At least we have gained ___ experience for future success.
— Sally, our monitor, was late for her class this morning. — ______? As far as I know, she never came late to class.