He was __________ at the __________ waste of food in the school.

 Children are      to meet with setbacks as they grow up, so their parents don’t have to worry about it.

.In our school, there is a rule that anyone shouldn’t play computer games during the ______ working time.

—— What do you think of the concert? —— Oh, it was＿＿＿＿＿success. 

        often do some           work at weekends .