Although he is often tired __his work,he is never tired____h

Although he is often tired __his work,he is never tired____h Although he is very tired,he works hard Although he is vevy busy,but he often helps us. My father works all n——,he is often tired after work· he is too tired.he can't work 合并：he is ___ tired ___ ____. he is very tired because he often works l___ late,is,work,for,he,never . He is often _____ _____ work. -----he is often left alone ,---------he never feels lonely although he is rich,---he is unhappy He is often late for work与He is often late to work的区别 jack's father is never late for work,is he