Frank insisted that he was not asleep I had great difficulty in waking him up

Not until he failed in the last examination _________he should have spent more time on study.

Andy, you’d better not eat meat only. You should know milk and fruit _______ good for you.

_____ production up by 60%, the company has had another excellent year. [ ]

One of our rules is that every student ____ wearschool uniform while at school