when lost in work,___he often was,he would forget all about

when lost in work,___he often was,he would forget all about When lost in reading,______ he often was ,he would forget al when deeply absorbed in work,——he often was,he would forget When deeply absorbed in study,_ he often was,he would forget when deeply absorbed in work ,__ he often was,he would forge 1.When deeply absorbed in work,（ ） he often was,he would for When deeply absorbed in work,_which_ he often was,he would f When deeply absorbed in work,____he often was,he would forge When deeply absorbed in work,________he often was,he would f 单选 When deeply absorded in work,he often was But when he was thinking hard about his work ,he often forgo 英语关系代词!When deeply absorbed in work,------- he often was,he