Look .Tant fellow is too sleepy to work.He___up reading until midnight

Look .Tant fellow is too sleepy to work.He___up reading until midnight

题目
Look .Tant fellow is too sleepy to work.He___up reading until midnight
A mustn't B mustn't have stayed C ought not to stay Dshould not have stay
答案
选D,他本不该熬夜看书到午夜的.虚拟语气.
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