Though he is fifty years old,his hair has turned g______

Though he is fifty years old,his hair has turned g______ Though he began to learn English in ______,he is good at it now.A.a fifty B.fifties C.his fifty D.his fifties 为什么答案选D?而在The hero of the story is a soldier in his _____.A.fourty B.forty C.forty's D.forties中却选A. Mr Liu is over fifty,but he never stops___(learn) talk about EnglishPlese give me answer to these questions.1.His father is fifty,but he is still _____.2.He is a ____ man but has a thick mustache.3.Though he lose this game,he is a ___ in his spirit. He is(confidence)__even though he has failed several times. He has few friends though he is very r____. Even though he is very old,he can work.改错 it is not as though he were poor.汉语是什么意思 Though the boy is young ,he can d_ himself now. your teacher___(look)young though he is sixty years old. he is good at subject .though he plays a lot.he is a t______ student. He is fifty kilograms heavy .这句里的heavy啥词性?可以换成weight? He is fifty at______(little) 填啥?用所给动词适当形式填空 求：Though he is young, he knows a lot.的倒装句（急!）不能用仍though吗？ The little boy is very b---；he can speak English though he is only five. he is the cleverest student in the class,though he is the____（young） Though he is thinner than you,he is ____(healthy) than you. 翻译Though he is very intelligent ,he is nevertheless rather modest.