Ayer tú (cantar) una canción.
Yesterday you (to sing) a song.
Answer: Ayer tú cantaste una canción.
Yesterday you sang a song.
Cantaste is 2nd person singular which matches tú (you).
Answer:
(C) Start Walking
1. que
2. mas
3. simpatica
4. mas, mas, de
5. menos, i dont know the last one sorry
Ellas son de Colombia
Explanation: