translate please :He must have had an accident,or he would h

translate please :He must have had an accident,or he would h He must have had an accident,or he _A_ then. 1.He must have had an accident ,or ___ then. He must have had an accident,or he____________ here then he must have had an accident,or he should have been here the 7.He must have had an accident,or he ____ then. He must have an accident,or he ( ) here then. 23、 He must have had an accident,or he___ here then. he must have an accident,or he ()here then.应该填什么? Tom had(have)an accident when he was walking home . the man would have an accident if he( )more care Please help translate "He who would climb a ladder must begi