Lucy and her friend____at the airport in half an hour.They are going to Shanghai

问题描述:

Lucy and her friend____at the airport in half an hour.They are going to Shanghai
A met B meet C have met D will meet

be going to 为一般将来时态标准句式,根据句义知他们将去上海,可推知露西及其朋友约定在机场会面,in以现在为起点,表示将来一段时间以后,常用于将来时态的句子.in half an hour意为‘半小时之后’,用于一般将来时,故此选D