Chia động từ thích hợp trong câu sau

1. All........... ( fly ) between Paris and Hanoi have been cancelled due to fog

2. There is plenty of............ ( entertain ) for young people in this city

3. It's............. ( use) to complain, you won't get your money back

4. During his............ ( child ) the family used to live in the countryside

5. He is such (a / an )................ ( help) person that no one like him

Giúp mk vs ~ ts