The incomes of skilled workers went up. , unskilled workers saw their earnings fall.
Chinese people place a person’s family name before the given name, _______ people in many other countries do the opposite.
----- Sorry to have knocked you down.----- ________. You didn’t mean to, did you?
Not until they left school ______ how much their teachers loved them and helped them.
. Although the teacher didn’t mention any names, everybody in the class knew who he was ________.
When caught ______ in the exam, he begged for the teacher’s pardon and tried ______ punishment.