Choose the best words to complete the sentences.

Choose the correct option.

I don't want to care about booking the tickets, so I'm buying a [packing|package] tour.

My [friendship|friendliness] with Mark is the best thing I've had in my whole life.

Helen's dad used to be into numerous sports in his [childish|childhood].

[Nationalism|Nationality] is a set of ideas that focuses on the interests of one nation.