Supply the correct form of the words in brackets

Supply the correct form of the words in brackets:
1. It's_____________ to travel around the world. (interest)
2. We are having a___________ time in Da Lat. (wonder)
3. He takes no____________ in his work. (please)
4. I'll make____________ for the meeting tonight. (arrange)
5. Let's play a___________ game. (suggest)