Tom was so careless that he didn't find the mistakes in his test paper.（改为简单句）

Tom was so careless that he f____ off the bike. Tom was so careless这句话是主系表结构吗?表语前面可以有修饰成分么? Tom was so careless that he didn't find the mistakes in his test paper.（改为简单句） Tom was so careless that he___his right arm when he was riding to school.A.hurts B.hurt C.has hurt D.had hurt求解析求答案! David was so careless that he didn't find the mistakes in his test paper.David was so careless that he didn't find the mistakes in his test paper.（改为简单句）David was （ ） careless （ ） find the mistakes in his test paper.Tom is so yo Tom was so careless that he often the exam.A.make mistake of B.makes mistakes inC.made mistakes in D.made mistakes of Tom was so careless--------his car unlocked A to leave B that he leaves C as to leave D leaving 为什么不选b而选C tom was sleepy,so he--- Tom was so careless that he often .the examA.make mistake of B.makes mistakes inC.made mistakes in D.made mistakes of 我知道答案是C但不是有often了吗为什么还用 made? Susan was so careless that she made many m____ in the test davide was so careless that he did not find the mistakea in his test paper . Jane was so careless that she d____ the cup and it broke. She was so careless that she ( ) a plateA、dropped B、dropedC、dripped D、fell in the past he was careless,so he often _______(make) mistakes I was so careless that I broke a cup.改为同义句 Kate was so careless that____(她没有发现她试卷上的错误) Michal was so careless that he missed a good chance汉义是 As is known,it was( )that resulted in the terrible accident.the driver`s being careless OR the driver was so careless哪个?为什么?