Frank insisted that he was not asleep Ihad great difficulty in waking him up.

Oh, you have a headache and a cough. _______have you been like this—Three days.

My sister _____ the league last month and she has decided to ______ the activities to help the aged in town next week. [ ]

I think the book is as interesting as it is instructive．—— It could never be____．It is well worth reading．

He is working hard, ______will make him pass the final exam.