问题
选择题
—Could you tell me _________?
—More than a month.
A．when was Yangzhou-Taizhou Airport built
B．how often you go to Yangzhou-Taizhou Airport
C．how soon will Yangzhou-Taizhou Airport be built
D．how long Yangzhou-Taizhou Airport has been in service
答案
答案：D
本题考查宾语从句。首先，根据宾语从句的语序应用陈述句式，可排除A、C两项；其次，根据答句句意：一个多月，表示对一段时间提问，可知本题的引导词是how long，故选D。