VI. Supply the correct form of the word.
1. It is interesting to (collection)………………………….stamps from different counties.
2. Eating a lot of vegetables and fruits helps you have (health)…………………bodies.
3. In Viet Nam, the Dan Bau is a (tradition)………………………….musical instrument.
4. This film is really (excite)……………………………...
5. We were so (interest)……………………………….that we saw it from beginning to end.