It is quite common for a working man to make ______ for his old age by putting aside enough money to live on.
_________ he was, he still went on with his work.
It is ten years since we ________ each other last time.
More wild tigers have been seen in the forest around this area, ________ there used to be very few.
It is usually warm in my hometown in March, but it ________ be rather cold sometimes.
You can never be ________ when crossing the street.