Let’s play ping-pong. —_________.

______ do you spell your family name—C-L-A-R-K, Clark.

下列哪一组字母都能一笔完成_________.

He couldn’t help ____ .The news was so ____.

Lawrence Craven, a doctor from the USA，is the author of several published reports, one of______ introduced the idea in 1953 ______aspirin could reduce the risk of heart attacks