Be careful how you _____ that jug, it will break very easily.
Many countries are increasing their use of natural gas, wind and other forms of ____.
Here's my card. Let's keep in ____.
I have tried to keep his advice in ____ when writing this book.
--- Can you shoot that bird at the top of the tree?--- No, it's out of ____.
Hundreds of people leave their village to seek their _________ in cities.