He seudied hard in his youth,( ) contributed to his great success in later life.A:that B:it C:what D.which选哪个,为什么?中文什么意思

He seudied hard in his youth,( ) contributed to his great success in later life.A:that B:it C:what D.which选哪个,为什么?中文什么意思 He can answer the question h _ hard it is. he studies hard in class还是in the class He ____ very hard in the ____(study). He studied hard in his youth,（ ） contributed to his he studied hard ONLY to fail in the exam 意思? He (h--) himself badly in the accident. John is a Canadian.He lives in a tall building in the city(城市) of Toronto.There are eighteenfloors in the building,and he lives on the fifteenth floor.He uses a lift(电梯) to go up and down.John works very hard.He goes to work early.Every day h ___ he would have succeeded in the examinations.A If he has worked hard B If he works hard C If he worked hard D Had he worked hard 选什么?为什么? He is a doctor.He works in the h---- He studied hard,()he failed in the exambutwhileorand需要原因谢谢 He works as hard as others.he is in poor health求翻译 (However)hard he tries,he canhardly avoid making mistakes in her homework,为什么是however? Though he studied hard,he failed in the contest.变成虚拟语气句式. he worked hard but he still _____ in the final exam.填fail还是failed? foolish as a person is,he can succeed in his work if he works hard. ( )he was in poor health ,he worked just as hard as everyone else This term he works hard and he makes much p（） in English