北京3级考试选择题

16. Have you ever visited the Summer Palace， there are many beautiful halls, ridges and a huge lake? A. which B. that C. where D. when 17. Mr. Obama will give a speech on the current situation at the meeting next week in Beijing. A. to hold B. held C. holding D. to be held 18. It was in a small village in the south he spent his childhood and met his life-long friend—the local schoolmaster. A. where B. when C. wh