I. Connect each pair of sentences with an appreciate conjunctive adverb in the box to make compound sentences.
           however             therefore               moreover              because           although               when
1. The tickets are very expensive. There are many people buying the tickets.
2. Tet is the greatest festival in Vietnam. Vietnamese people love Tet.
3. Children wear their new clothes on the first days of Tet. They can also receive lucky money.
4. Children like Mid-Autumn Festival very much. They can sing, dance, and eat moon cakes.
5. She isn't a Buddhist. She eats as a vegetarian.
6. She wants to enjoy the Tomatoes Festival in Spain. She is at the age of 20.