the old man gradually accepeted the fact after several month

the old man gradually accepeted the fact after several month look after the old man The old man is very t____ after a long walk After a long walk ,the old man ____be tired now() After a long walk,the old man ----be tired. They both take turns___(look after)the old man You must _____ (look) after the old man. After a long walk,the old man be tired now. the old man 【】【继续】 his work after a short rest The old man looked after sheeps 哪里错了 The old man ___ in bed for several years.A:was B:has been C: It ( )Mike and Mary who helped the old man several days ago.