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

Luckily, the driver _____ missed hitting the tree by only several inches.

—— Can I help you? —— Well, I’m afraid the box is＿＿＿heavy for you,but thank you all the same. 

To children, good habits do not come        , so parents and teachers need to be their role models.

 If a person has not had enough sleep, his actions will give him ___ during the day.