【题目】根据句意,用适当的短语填空。
be supposed to, be expected to, be important to |
【1】When you get on the train, it __________ bring your ID card.
【2】You ___________ wash hands before you have meals.
【3】Students __________ get their dream job in the future..
【4】If you visit Heilongjiang during the winter, it ___________ take warm clothes.
【5】You ____________ knock at the door before you go into the office.