If he had insisted that he to work there then, everything would be OK now.
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.
________, you need to give all you have and try your best.
Before Sally left home, her mother kept telling her to ________ her manners at the party.