Having made his first film earlier this year, he is _____ starting in a new one.

The technology of electronic products is ________changing, so you needn’t follow the fashion.

The incomes of skilled workers went up. ____, unskilled workers saw their earnings fall.

On snowy days, you have to drive very ________ to avoid traffic accident.

Private cars really provide much convenience to people, and ___ they cause too many problems.