At that time,she _____ ice cream A.do like B.does like C.did like D.likes答案是b 为什么不是c啊

Mary ___(have) lunch at 12 o'clock yesterday.She always ___(watch) TVat that time. She was puzzled about what she should do at that moment.同义句 She was___ ___ ___ what to do atthat time I heard that she was singsing at that time. 1.She was so scared.It was difficult for her to run away at that time.改为同义句She was ___ scared ___ run away at that time.2.听到这个坏消息后,她默默地接受了.She received the bad news ___ ___ after she heard it.3.We were eating d It seemed that she finished her work in time.(改为同义句) She ___ ___　___ her work in time. From that time ___(in,on,at.of) At that time she was working in a PLA unit. i saw that she was doing her homework at that time.同义句i saw her homework at that time. what did she say?she said she ____ a surprised party for Tina at that time It seemed that she was not good at math.改为疑问句she seemed not ___ ___ good at math. People were pulling down the old buildings at that time.(改为被动语态)The old buildings ___ ___ ___ ____ by people at that time. She walks home every day.（用at this time yesterday改写） She___ ___ home at this time yesterday. She was a＿ at that time.She didn't know what happened. at that time 用法 at that time 3the last time i visited her.she ___(study)at hom at what time at that time呢 It happened that David was in the computer room at that time.(保持原句意思） David ___ ___be in the computer room at that time