He ______ his arguments with facts． A)backed down B)backed away C)backed up D)backed out求解答

______ he ______ (finish) his homework?Yet,he ______,He ______(do) it at school he is very ______ his father. He is ______(famous)than his sister. .______ he usually ______ ( have ) supper with his family _____ ______ ______(似乎,好像) he has finished his work He is thirteen years old,so is his brother.He is _____ ______ ______ his brother. He doesn’t know the answer,so he can’t put up his hands.(改为虚拟语气)If he ______ the answer,he ______ ______ ______ his hands. 英语翻译He ______ ______ at school ,so he is good at all his lesons. He likes his work very much.改同义句He ______ his work very much. he is busy ______(write) a letter to his friend. he is p ______ worried about his mother health. He usually goes ______ _______ his homework after supper he leaves home without ______(say) anything to his parents He often needs help with his homework ,______?反义疑问句. He helped this little boy ______ his father at last He lived ______(海外）for much of his life. 英语翻译His son______ ______,he is _______ _______ ______him. I think he ______(finish) his homework three hours ago