1.It's impolite for a student to wear a hat in class.l think he should take off his hat in class.
2.It's suitable for him to wear a business suit in theoffice.
3.You should take off your shoes when you entersomeone's home in Japan.

1c Read 1a and complete the passage.
It's impolite for the man to wear jeans to go to the formalmeeting. So the gatekeeper tells him what he should wearIn the gym, the customer asks the attendant where she canchange_ her leather shoes. And we know it's polite to take off our shoes before entering someone's home in Japan. In the last picture,we see it's necessary for us to wearsports clothes and sports shoes on the playground,or wemay hurt_ourselves as Kangkang did. So we should dress correctly on every accasion.