LastnightLiPingwatchedthefootballmatchatmyhome,sohe

問題詳情：

 Last night Li Ping watched the football match at my home, so he ________in his office.

A. Needn’t have worked               B. mustn’t haven’t worked

C. shouldn’t have worked               D. couldn’t have worked

【回答】

D

知識點：虛擬語氣與情態動詞

題型：選擇題