Come and see me whenever _______.
In my opinion, life in the twenty-first century is much easier than ____.
____ and we’ll get everything ready for the taking off.
____ apple fell from the tree and hit him on ___ head.
Jane ______ a cold and was absent from school yesterday.
Animals suffered at the hands of Man ______ their homes were destroyed by people to make way for agricultural need to provide food for more people.