Mary was hard at _____ when I got home.

Mary was hard at _____ when I got home. 玛丽必须在英语学习上努力吗?___ Mary ___ ___study hard ___ English? I decided to study hard at English.(改为同义句) I ___ ___ ___ ___ to study hard at English.I decided to study hard at English.(改为同义句)I ___ ___ ___ ___ to study hard at English. Mary is good at singing.(改为同义句)Mary ___ ___ 玛丽发现很难与同学相处得好Mary finds it hard ___ ___ ___ ___ ___her classmates Mary was so angry at __ he was doing ___ she left without saying a word.Mary was so angry at __ he was doing ___ she left without saying a word.A.what;what B.that;what C.that;that D.what;that顺便翻译一下这个句子的意思, Mary got ___ when she was cooking yesterday. The boy works very hard at English 改为感叹句___ ___ the boy ___ at English! ___,Mary had to stay at home to look after her.A.Her mother was ill B.Her mother being ill 注：要具体解析 Mary was at school yesterday.变否定句 Tom is trying ___（work）hard at all subjects. she was ___(amaze)at the ___(amaze)news the plane l____safely at last though it was raining hard Mary ___(have) lunch at 12 o'clock yesterday.She always ___(watch) TVat that time. 懂英语者进Mr.king told me,You are hard-working.(改为间接引语）Mr.king ____I ____ hard-working.I'm mad at Marcia.(改为同义句）I'm ___ _____ Marcia.Tom wasn't mad at Marcia anymore( 改为同义句）Tom was ___ _____ mad at Marcia. work hard at hard Mary was grateful when she was told where to set on the bus at the theatre Mary works very hard.hard划线提问