1. A team from Hai Phong has a friendly next week against Ha Noi.

Reason: (noun) A friendly game or argument is one that you play or have for pleasure and in order to practise your skills, rather than playing or arguing seriously with the aim of winning (Cambridge Dictionary)

2. My children are quite frolicsome; they always look happy to play a certain game.

Reason: enthusiastic and liking to play (Cambridge Dictionary)

3. Greece last month, Vietnam next month, you have become a regular globetrotter, haven't you?

Reason: someone who often travels to a lot of different countries (Cambridge Dictionary)

4. The opening ceremony ended sensationally with fireworks.

Reason: in an extremely interesting or exciting way (Cambridge Dictionary)

5. My father who is a true-blue fan of Scotland's football club, was cock-a-hoop when it won the championship.

Reason: extremely happy and excited about something (Cambridge Dictionary)

P.S. Kì thi chọn đội tuyển Olympic vòng 3 cấp cụm 1 phải ko? :))

t làm đề này r :))