giúp mk nha ( đề là tính nhanh )

giúp mk nha ( đề là tính nhanh)

Giúp mk nha khẩn cấp ( đề là viết lại câu )

1.It isn't a good idea to show off your expensive belongings

you should ________________

2.Were you onliged to get travel insurance when applying for visa to Europe

Did you _____________

3.Smoking here is not allowed because it's illegal

You musn't __________

4.We are obliged to cut the grass in the garden twice a month

We have _________