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选择题一题,求高手解惑O(∩∩)O~Themeetingwastoat9o'clockbutthemanageruntiltwentyminuteslater.Astart;didn'tturnupB.havestarted;didn'tturnupC.start;hadn'tturnedupD.bestarted;hadn'tturnedup为什么选B,求

题目详情
选择题一题,求高手解惑O(∩_∩)O~
The meeting was to _at 9 o'clock but the manager_until twenty minutes
later.
A start ;didn't turn up
B.have started ;didn't turn up
C.start ;hadn't turned up
D. be started ;hadn't turned up
为什么选B,求解惑
▼优质解答
答案和解析
首先确定时态都是过去时,否掉C/D两个答案.
be to 是将要的意思,前面一个空是过去将来时,所以填start
因此最后把范围缩减到选A.
B答案是错的~!