英语选择题______he si badil ill,______he is still working there

The old man is very tired,______he's still working hard.A.an ______he is ill,_____he goes to school.A Although,but B /;/ 宾语从句问题：The reason ______he didn't come was ______he was ill. ______he is ,he knows a lot. ______he is interested in singing,he hesitates to choose it The way ______he looks at problems is wrong ______he is young,he has much knowledge of history. ______he knew nothing about her The pen ______he is writing is mine.A.with which B.in which He's seldom made to work late by the boss,______he?A.is B.ha It is exactly ______he often fails in the exam ______ makes 条件状语从句的问题______he is diligent in his studies at ordinary tim