Question

【题目】-- does it take to get to Beijing?

--Nine hours．

A. How often B. How soon C. How much D. How long

Answer 1

【答案】D

【解析】句意：——到北京要花费多长时间？——九个小时。由答语“Nine hours．”可知，问句是提问一段时间的，故需用How long。故选D。