Tom is ill,——he works hard

Tom is ill,——he works hard He is nice and he works hard . he is a hard worker.he works ( ). he is work hard 和he is works hard 和he works hard有什么区别、、 Tom works very hard. He is ill._____,he still works all day. Tom works very hard-- -he sitll failed in the exam Tom will be successful______,if he works hard. Tom is ill.He feels t_____ Tom is ill .He fells t_________ he works hard Although he is very tired,he works hard