An indoor man refers to a person who spends __________ time on indoor activities, such as playing computer games, sleeping and watching sports on television.

ay have , you should gather your courage to facethe challenge

.Man’s shopping can be and often iscompleted in five minutes，which is less than a quanrter ________。

Not many of us really get to see the hard work that happens ______ the scenes to make our favorite movies come to life.

If we don’t start now, we must risk ____ the train.