If you _______nature and do things at the wrong time of year, you will have to do more work and the results will not be so good.
Of the making of good books there is no end; neither ______ any end to their influence man’s lives.
I failed in the final examination last term and only then_____the importance of studies.
The old couple have been married for 40 years and never once_____with each other.
---Did Linda see the traffic accident? ---No, no sooner _____impossible now does seem possible.
Never in my wildest dreams_____these people are living in such poor conditions.