he didn't find anything in the box改为肯定句

Though he _____(look) his keys everywhere,he didn't find them He looked for his pen e_____ yesterday,but he didn't find it i kept telling him that he should study hard but it didn't find itit didn't help 啥意思 He did go to the airport yesterday,but he didn't find you.（find）为什么用原型? After graduation,he even couldn't find the job he dreamed,but he didn't give up his dream. Jack didn't know where he could find his mother变为简单句 The little boy c_____ because he didn't find his mother. he didn't find anything in the box改为肯定句 Old Hernry looked e____,but he still didn't find his pet dog. Danny _____(lost) his homework and he didn't find it. the boy broke the window.he didn't want someone to A find out B see He didn't find his new watch.同意句his new watch ()() --------He tried many times () the right answer,but he didn't.A.finding B to find Cfind After graduation,he even couldn't find the job he dreamed,but he didn't give up his dream.这句话有什么语法问题吗? The man heard ___ hid treasure in the house,but he didn't find ___ in it.The man heard ___ hid treasure in the house,but he didn’t find ___ in it.用不定代词填空 Tom was so careless that he didn't find the mistakes in his test paper.（改为简单句） David was so careless that he didn't find the mistakes in his test paper.(改为简单句） the boy___(look)for his English book everywherebut he didn't find it用looked还是had looked,还是都行?