At that time his fiend Bruse came into the shop.意思

Tom's grades _(frustrate) his parents at that time At that time ,he ____(lose) his way in the forest.at that time是过去完成时,为什么答案是lost? He was mending his bike at that time.对mending his bike提问 The singer was at the height of his (popular) at that time. He esplains to me that he ( )(do)his homework at that time. at that time 用法 at that time 改为被动语态（英语）His father heard him crying at that time.He ____ _____ crying by his father at that time. at what time at that time呢 jack was doing his homework at that time改为否定句（速度（ some of us( )(be)crazy about his songs at that time At that time his fiend Bruse came into the shop.意思 at that time he heard his brother,sam,c——for help 那时他正在等他爸爸.he.was( )( )his father at that time He and his sons____(be)eating dinner at that time yesterday. He was only in ( ) at that timeHe was only in ( ) at that time A.his twenties B.his twenty-one C.the twenties D.the twenty-one My father is (at present)away on his holidayA nowB in a short while C recently D at that time in his spare time or at his spare time