It started at 7:00 p.m and ___on for another half an hour.A.has B.was C.had been D.will be
问题描述：
It started at 7:00 p.m and ___on for another half an hour.A.has B.was C.had been D.will be
答
It started at 7:00 p.m and (will be) on for another half an hour.答案是 D.will be怎么知道呢?整个句子是It started at 7:00 p.m and (will be) 【going】on for another half an hour.【going】是隐含的....