Question

---          do the Youth Olympic Games take place?
--- Every 4 years. A lot of teenagers are interested in the games.

A．How soon	B．How often
C．When	D．Where

Answer 1

B

解析试题分析：A. How soon 提问in+一段时间，表示多久；B. How often提问频度，表示多久；C. When 提问何时；D. Where提问在哪；句意：青年奥运会多久举行一次？---每四年，许多青少年对这个比赛感兴趣。结合句意，故选B
考点：考查疑问词辨析。