二、强化练习1) 选择填空1. I didn’t see her in the meeting room this morning. She _____ at the meeting. A. mustn’t have spoken B. shouldn’t have spokenC. needn’t have spoken D. couldn’t have spoken2. One ought _____ for what one hasn’t done. A. not to be punished B. to not be pu...

时间:2024-11-21 12:59栏目:幼儿/小学教育